{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349283310",
    "entityType": "User",
    "nonce": "0x7295fd1cd653b8fa05b8d37e5d655de7c024655b4f0645813be23a33dca23f92",
    "signature": "0x8fdc6b129730181c1b278a4f4775f685202bd206b5242f929083e122109149fa286ef1751af3b37a2a420dcaf3efbee3869d7ef631b4ee910e09be1ba29d54771c",
    "signer": "0x79375D6d575fE2a038916001077f90CbAE12d4A9",
    "userId": "973873678"
  }
}