{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "993795264",
    "entityType": "User",
    "nonce": "0x6e1fc47f68d37358f7abe2add922dcded00fd703910d25a215d498a04a35c65d",
    "signature": "0x09fa9edb45353979098154016b56c90dcbf65cb518fbceaa6672be5db37928c00d83c49e685c86e83be497464de550e66f4c7543fb61ebc859c251a3685bccb81b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}