How can I create a notification entity with Rules module

I have installed a notification system and I want to create notifications with Rules when a project content is updated to waiting for approval status.

The rule looks like this:

uuid: 3165768f-15f5-4c35-a7e6-3f862b526f10
langcode: en
status: true
dependencies: {  }
id: project_updated
label: 'Project updated'
events:
  -
    event_name: 'rules_entity_update:node--project'
description: ''
tags: {  }
config_version: '3'
expression:
  id: rules_rule
  uuid: 4cead148-c63e-409d-a3e1-f9042c993fb6
  weight: 0
  conditions:
    id: rules_and
    uuid: b6e39609-9972-4805-af43-f2bdc66dc10b
    weight: 0
    conditions:
      -
    id: rules_condition
    uuid: 6d3b93ac-10ad-4b21-bbfd-1971c1aa44cc
    weight: 0
    context_values:
      operation: '=='
      value: waiting_for_approval
    context_mapping:
      data: node.moderation_state.value
    context_processors:
      operation:
        rules_tokens: {  }
      value:
        rules_tokens: {  }
    provides_mapping: {  }
    condition_id: rules_data_comparison
    negate: false
  actions:
    id: rules_action_set
    uuid: 39c0aaa8-f216-4255-a87b-484e94e075fc
    weight: 0
    actions:
      -
    id: rules_action
    uuid: 543fe5c3-83d0-4e46-932c-a197747868fb
    weight: 0
    context_values:
      token: '[current-date:raw]'
      token_entity: ''
    context_mapping: {  }
    context_processors:
      token:
        rules_tokens: {  }
      token_entity:
        rules_tokens: {  }
    provides_mapping:
      token_value: unix_time
    action_id: rules_token_get_token_value
      -
    id: rules_action
    uuid: 92aeaa68-c475-4ae7-97aa-2f74d72b89ff
    weight: 0
    context_values:
      user_id:
        - '1'
      provider_id: project
      notification_type: waiting_for_approval
      created: '{{ unix_time }}'
      title: 'New project waiting for approval: {{ node.title }}'
      priority: '3'
    context_mapping: {  }
    context_processors:
      user_id:
        rules_tokens: {  }
      provider_id:
        rules_tokens: {  }
      notification_type:
        rules_tokens: {  }
      created:
        rules_tokens: {  }
      title:
        rules_tokens: {  }
      priority:
        rules_tokens: {  }
    provides_mapping: {  }
    action_id: 'rules_entity_create:notification'

It's getting triggered and it's actually being executed the reactions (actions) also. However it does not create the entity, and I don't receive any error in the Recent log messages. With a little xdebug I've found that the tokens are replaced.
unix_time to a UNIX timestamp
node.title to the saved node title.

However, for some reason, the notification entity is not being created. How can I create an entity with rules if not like this?