{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x452dce62f76210e15b34d2332fc103eb9aafffe196df030a92e67a1c7bb509b7",
    "signature": "0x6ea2ea565682864915a8139a08dcdb911c9a38f67564de25a2258f8c87a8820e7473cfe96e4d08219b38fbada52c484ec74d4ee83790b8857a33e2dde86a96151c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}