{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xf0ebe3bfe867181ebc5bdd8923aef09468e6801f09a9ef06ece12abeed561c96",
    "signature": "0x211f889935a22103a61e298b50f62c47cef83019eb08911dea794a93cb02a6cf0e43b3829e63df7ddc975c8ee917a797403f52dc9d609b026ec6d71c2af163511b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}