{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0x5899b24142f5de21cd05713a2c3ca6292ae6bff7b314c65f3b00f43af654a29b",
    "signature": "0xe73d2b36ed6e17489cca6e418df06e40ee2672c527fd929b7739dcd02f700efd2703e67b71f54403ea01f10795f93cd7d1379f3c103d8f88432f0b4fc03514741b",
    "signer": "0xD9A81296607A057616D2BdFEAa51375208b7fbc3",
    "userId": "343798350"
  }
}