{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3829",
    "entityType": "User",
    "nonce": "0xcb37020efcc189b355f203a4bc4ea550a1c248216b098cc9925d505b398fe92a",
    "signature": "0xbec4659c56d956ec0fa92920b425c34e91175f225f62259003e8def1a6ebbc13562b7814903ad13254811e63eda9948d28f88e597d17390e96c9614212013aad1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}