{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8910",
    "entityType": "User",
    "nonce": "0x21280892bd4c511ec59e976262dde1eb87c91f51471c6b3297d42d3cc0b5178a",
    "signature": "0xa8dfca86d6a32f22a4f513b699c71a4a4e667ab897157b05e34f326e80f22f7f64be11095bf6af98f382ea4fcfa6ae73b294557b9fab7e1a34408e361e17705d1c",
    "signer": "0x7D6D9035aa24159A11b756872c46237Cd881A110",
    "userId": "892995183"
  }
}