{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858065710",
    "entityType": "User",
    "nonce": "0x2b341bd33441f10df34407e50e7fbdfb8684ebfc4393acbadc718951e7fb2e3b",
    "signature": "0xbb9299131e0e50229aa01ed7aae951f01ada39d1706c64a0d8e3a7e3e4c2837823766fd01d7f0f4524e5196e2991c4f6fb31e22f3cab52b564219f6edb76869f1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}