{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x61fb9475d3e9ff64f3956433089bf135619c30b068de4d88be3b9187ca13feca",
    "signature": "0xf4b25f9280e5a390eef4349a0a9f3dccda25d1b855e8c71df8082141adb656807ea339f4684aabd9ea82d96f098a515f9ca8153faf24e5713ebfeda214b18ebb1b",
    "signer": "0x7dA561c59e20634Fbc2d2d7A9EA8Ca0898294EEe",
    "userId": "415418028"
  }
}