{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x8c2c8f3b647794959ae95c1deb9bf08ca959391ec56105629adef2effe442048",
    "signature": "0x246a94665501eab0734ad1661f2d65f84763b879c8ab09c64c058f87aeee09e22ab4f5c6171c387f2427851d8fcc58fb54768989c2a20c273bd806ac9451a8071b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}