{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xbf544d0551c18157d323cee420e2736a4988d5b8201930be9dc20b8dc3d1bbe9",
    "signature": "0x64bbcadccb863174dda1ed1ab43aa13a53f1e16f2fd5d7afbb43eb5f38e9c31266c22a09c5e9fd87f3f5e434897779c92b8a101b04b739ba5d8ea37cd1f0c92f1c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}