{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "693659852",
    "entityType": "User",
    "nonce": "0x81bcfca7d42c1f57f5651c86e8381783089c420f4f0bca95fef9ad8e35d7078c",
    "signature": "0x3045d3027e27100f5de49490c54efba820ce424b9dd63145d84e39af58da235d1e06dcc8484c4dbdb8ffd91570c7ee9ce59e14b63f0865107d74f1d9d96874b31c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}