{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17448",
    "entityType": "User",
    "nonce": "0x7395e155df83622b6acb5188a5cf89af12ac4edbbd2d0b6844217c1d47af1c0c",
    "signature": "0x5969edfb7c0c38f1c44c95c84d8e50bef64001a285f0ac6e9a2bea5f2683daa03c7769d53a3546e5e67093cfeccaf329868010486ded024d2821290dc8aa0f3c1b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}