{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "882853910",
    "entityType": "User",
    "nonce": "0xba7c6e3d2872358566dece96155c3f4ef82148b71e9494e3273232faf59a0ef2",
    "signature": "0x237edb7e30ded25909f326c7df0ec0a60603d34b49e5ddb2bbc8e7aab3f9945a5ce7b42b4cec2c54fd9365a3ada0904e51db53d9addf4cbde43a75be171193651c",
    "signer": "0x69fC39713f8da4a1C1e0Ab859Fc919e2fD173171",
    "userId": "969020709"
  }
}