{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xd2a3a9e97c23e64d68090128aac39fb28ce79ea1547da68273ead56aabaad273",
    "signature": "0xb7a1563658fd91e7b3faa3bedbbfce502cb4b257b7a0962ad64d96676a701f4d06ee9b4114ad6b50ebabe97fd24707c0fb882ec4edc561c95b9619285af9f62f1c",
    "signer": "0x92632D7BE74bA47022399097665C226D2833ab2C",
    "userId": "327722"
  }
}