{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72239",
    "entityType": "User",
    "nonce": "0xf91b248bb65ec5788b1d723b77776e1505846a61a6ae5036b13612d9df732659",
    "signature": "0xbe23b97072d6d2ac38937b246530751bab2e3e56cd9403d6d96eaf2f8eb7f0ba7e7a240d0eb8e3f99e664608161e945fff0a76526f74d35b03c3f822227f83801c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}