{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141429",
    "entityType": "User",
    "nonce": "0x4a492e9464fe08c94c83223723f13660134f3b14820ecb307ed50ac06ebbba0f",
    "signature": "0x57a5d3e9d7e0f459b66516121ca7d481696e3d49574a9e88ff18297916ecfce41a34f6fe20ad7cd1a9c6403de3bcafa25f1e92bbfe32263e21c306be2207fbc31c",
    "signer": "0xe73dEC83fb1FFbb74b846Ebe43FD299DFb3371E1",
    "userId": "225142146"
  }
}