{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134943",
    "entityType": "User",
    "nonce": "0x7a89f2ff9f70040b3c05909d2f7fd11cabd5eb7877531f356626d91c33a95d7d",
    "signature": "0x5b02052023c365fa31fe45a39b22f010e28f487d7543d49fbd5da2054246723f0c0b357bdfdefea675ba1596c2e105693f20bc3a85b176d5e41f61e7f2f2322d1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}