{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77868",
    "entityType": "User",
    "nonce": "0x0df45dd02d572295d0fd83cd0687c42a7812c7f7ea133d7ebf90099e1a190a5e",
    "signature": "0xb1ca27fed2fc64f1dd06c7ad81dee8eff6aa47a8c7d307c7433d0ccebb3ccc741e891129e4c3f62c11cda625630cd14935f8bda380753f2a74693b27e75c21c21b",
    "signer": "0x12465F46a81eDfE760a7326D21Bd9B2022bc4a8B",
    "userId": "575702759"
  }
}