{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "351298",
    "entityType": "User",
    "nonce": "0x885b5a9dd7f8c9817c240ae2a7901db61344fe614d6281d9494c2702f7311531",
    "signature": "0x3b2f111c20d757571a19549af0392f5609169136dbcf874308d164c66283f62f6ec497678933df6c2d3c437a9ab652036fdc7e22ca8686be4bfae882c0aea9b81b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}