{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xdc498f8ae51936ae812d8d7aa153e737e21214fce50723c0d0e053835f903243",
    "signature": "0x550fa80af6b5df4bb715564a28f9c876bfae1daadb2b94f657303a384de64cdd5a066375410d31cfa9527a3c8e0f28f70c84ffe2707c57fd71cdf81fbd52d8311b",
    "signer": "0x1472Fec023A32bFDB4d9d8dD1C920b2DD601638F",
    "userId": "452206810"
  }
}