{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x79230d7a1c7c5a93121fa93dfde980af42db2331bb57a5874fb2d0a2fef70fde",
    "signature": "0xe4a696df727cb7d5b2b9d4ce07d7ef82ea41e045127b0dd93ef33a991e58350f2c30c0cf372421275fd319a7b04061b0455192cd27b7bafdee6d821ca64dff951c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}