{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59719",
    "entityType": "User",
    "nonce": "0x282fad6617acc00490195aa14c304dab1de4c1f2db8b4c1882ddd72e8b1c20e8",
    "signature": "0x8e8dd5de5b866627b8414a6532de8931afb34cfab54ee1b5b545ddd5b8822ccf1a0fd5d9b05d6ea6efd870ce32e41e5cfc61a04db1bd3b6f28b3529237b2c6601c",
    "signer": "0x73Fa2a31B1ddF03cd963c53C67ACFd9Bd27E7d2A",
    "userId": "970203605"
  }
}