{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0x70fb32e175014308cf289efc3dc355283b0ff6718a0298f4573138ef9459beab",
    "signature": "0xb70f73d8f5754827ea43e7a792969e823644b7a703d0eee72ce6d33208c9f4ab42b0dc73a1fd9b3bd12803347d851ad4b4e8ca7abca2a34e09ad1e7c487d996d1b",
    "signer": "0x11F1b754528e8892158cef48B0866bbbd9316f0C",
    "userId": "309242061"
  }
}