{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x9312f58656cd1f276d8462b5608b2cbd08a50ded496e9149659dcf2d3b7a13c9",
    "signature": "0x28bb10ac1f89e977ea21605901e035611acae77b35248e40440e162713d6c0e41215805d4c2a8628ce11c8a06d92c2dd90a52eb75db8d4abe4a04ed561e94fd71b",
    "signer": "0x4142F178fc27c3DC53f1012e505fBB8Af788a26d",
    "userId": "802455146"
  }
}