{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1367bd1f4605b43182c58ca3dcfefcf51d9f48ef9bd6dedcf5bb8a7ac5bac6e7",
    "signature": "0x2bc10df00e988af1f60f8bfbf1235ec8ddaef3730dd11e4fad1a3252be5805a1502cc119ccf90fd6e24d836218f3f53e93c01ded08099e72f394f246312bf27a1b",
    "signer": "0x63527e9BdaBC6E35850938B1d7C86d07B9E180dd",
    "userId": "890955176"
  }
}