{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x772d00bfd969e69dfebff689f6738d3f636da8d9319b52875195dbe1161de0c9",
    "signature": "0x100ce5792f1acc673e140c170838edfd138930c672fd3e9264e24df8a7eae86a356a2822aec90eb4d85f173e002355c3ec67bcdeb4cd65bf8991208c847639731c",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}