{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33857",
    "entityType": "User",
    "nonce": "0x66014ec5c80ae4b9bf358a6832bd8c6f5c04df5aab672432e93423a941917bb9",
    "signature": "0x6f0b651c6ff85bb43244ebed866492ef421345a58b8be89602971df94cfa5f4759abc744ebea8dadbfa11a08ea5bd02148fb6016caede34463b4818b1516cceb1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}