{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x94ac9c456d7f5096c0c96fc5cec97b3d952ab8e147417bb04b99528a630366de",
    "signature": "0x546497c3046a65906ccc8152c75b073dceb4c7a0c81fad7117c3f7ed47ae462a6953f1f20fc900eace8cb2cfecc7fdb602a724c5f361be54e24ca38310c9abd41c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}