{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x66aadc4cb63bc3c5dd0b94d6caaf9ff16568d211410300159daf4a67800ca31f",
    "signature": "0x616c2cc4dea85958dbbd31e30efa47e527aa36d766558b2776cd28e7e4a270f83a12cbbd4a88c72acfc60d2cdd9167ae6775df97ec61ea6d6861c250dc2d06f61b",
    "signer": "0xc11D28404f39623f2A0d9D9eC6D9E5e4C8e06fEb",
    "userId": "563998093"
  }
}