{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x0b7124bafb0a425ca44dfcc34d6475d943f3707473f570004ac2677a46f0c576",
    "signature": "0x4befb3541f66446ee2141e6c253e61457cae95cec4aa9f0ba17f3815a951cca35945fc79f8cbbe3438b4d516283dd63d7145b3257dbbd42bf93711226eedef051b",
    "signer": "0xf4932982eB30F083aAeE8850Fe5d411b7A5Df5a5",
    "userId": "746635137"
  }
}