{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172280",
    "entityType": "User",
    "nonce": "0xd4c351a962dfab3694c775c1207a9eb0b2ddc707526be77b7afeae21b7895421",
    "signature": "0x5422fbe28a201ae14f3269eb5d5d98b2edc70b865d4502ba05af0fc49bf266f954fd29e5007d62597eea65a62d868dddf69bb0aeb296915135d52ce7cc2ae4f71c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}