{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131834",
    "entityType": "User",
    "nonce": "0xbdf21eff880f284c4bda15644dd8357216812672a76a7934ebbe5a4fb43d5da5",
    "signature": "0x20722bbaabc913cef1fa67fc799ca8409b0fd2a979849619f826327c3bba206c34698d878e05ed125c78a853ce516c507f1d6ccfbf24c26ea56575d6d00d23831c",
    "signer": "0xb001DCb64Bf57b3EcC76C4Fe5AbfE2a8B084D6ba",
    "userId": "641557420"
  }
}