{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166945",
    "entityType": "User",
    "nonce": "0xc3aa1103e270754d4b8f38c640dcc1cbde7868524d38145a63d95c839c93593b",
    "signature": "0x7706612666be2d2ec0d75915aef660b6366fedc871938b003ee4c598b15af3fe5d8a1f0f805279d4c0a630c9f0008a546fc3aec03fb26507ad25cb7be24565e41c",
    "signer": "0x9db84b5af18534d8Ee180c90E1377f813B5Ec313",
    "userId": "741417198"
  }
}