{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa24b58e1a3972a1046c31f4c0c099c736c571cf40be2ffa91e9dc69501cb79c2",
    "signature": "0xf3227ee9a4fbbc8df077c9115dcf396864a7f187d338d3aaec4759a18ece961648ddcc215a72ab8b6638ce18991a8c11a7c0780df3ebf5050d6ffe86d444bf481c",
    "signer": "0x0331a93703Fa8bc02EB89B46Fb13a9840a597d03",
    "userId": "886304090"
  }
}