{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "861506387",
    "entityType": "User",
    "nonce": "0xcacfcb7d87c2b0bc35201a38808d3bc278c78ff3e7afbef17694f3ec5da46f18",
    "signature": "0x60de33d90aa5d46bd96a6e1353d9dca756b1bb6efc468a01e546f980115b7065680261a6dff156dbf864b3d2f04107ddc0d470da0731e435aa33d8f0ec62ddc71c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}