{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20733",
    "entityType": "User",
    "nonce": "0x701c18b452e8faf4d69e6530946ee992100d7508f6df21eeb3d6cd27e9bcbdbb",
    "signature": "0x71f4dbd5200381446cf76c3b1e98e92c393eb46d07aaaa1523dcc98541ed94f671caf51aeb7a0fe4a5ac00eb582414fc17442049fde5c91d046ec1c4f038daef1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}