{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75675",
    "entityType": "User",
    "nonce": "0x09ea351212f0953f7c33405b669b075fc065b5f7bd9dd6fef29d8d3a3671d58f",
    "signature": "0x8b9409e3c9bf1f6509cc6355114ce4049f7a4ac2a24f8fd0865cb0502bd395435bfff38f6aa5927ef1a27d17d295afec70c726c012ab0a95fb66bc61dda9c2ef1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}