{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313737",
    "entityType": "User",
    "nonce": "0x4739e06c2b2ba1756cf7d1cfb13b7d2e7e03ba93be2beb130e94fa3c5885a8f6",
    "signature": "0xebcc4022e83c54cf98a173dc71a63a204ec3548028846360e5552150ee3d0f271fdd70ac880aa9ff2fcae33dde84eefa90a193639174aaf903abe771da3ddf0c1b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}