{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68326",
    "entityType": "User",
    "nonce": "0xf6f6e5d305869598dff19be8a9a9d7c3fc8a3b55493b5f3bcdb8fc2d9c33af01",
    "signature": "0x0696a9ae56a6137d8e67d01b264f95855f9b7f4291d9d9d2697a0b3e6cf6917c4c494988572298d73ca5a0e5a0641a4a19c93152699e414d819f3d50f404a5c21b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}