{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6860",
    "entityType": "User",
    "nonce": "0x8db4dfbc2f49d92ce58354fe78b7f42f1f09aac15808b5aab4595038a84f3c1a",
    "signature": "0xe68c28f1d1da9f64624b61cbc8856ffd8a873588d059386cbccbf2ade49e3bca3d71ac8e49d8dd2dc8866df258836a4ef5c663fdc05836a430fc9befce1395031c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}