{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396164",
    "entityType": "User",
    "nonce": "0x9b9c9d4e4e69d58babcf01890feb2892dbe33649f08a4daa2ab70a6bd69c9035",
    "signature": "0x394377bb7556544c54d17fb55202ca394920767d1b880fedef8f957297cefbd7280d76b21958958fb552236a04e9d71db82bec71635f98c07ac420c0109551801b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}