{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xc70a2c923736605a638aad32aa45f3fe84efd145c0cea520d0f04d1489ba580c",
    "signature": "0x091aee193f80e0986f1d80d0e5386b03ebb2699a23dedaaed4e447270ecf19b54bfea529b4aad9aa65ef4122a4a0613ac3dd725a4de02c0598287eaa179347ff1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}