{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xbe1b665c249cadc91b5c1df2ee8512961fcccef2e7615f63461033b172e97f65",
    "signature": "0xddfbbf578317b319d9398c3910e6e43cfa1a59af2357416ca3996ebff320c6180bae14c477db25a0a07cf2306760d19d8dee3342a29a70c8f1e37d44aaab23ae1c",
    "signer": "0xCcA8985213E0E0B0878309EDB61edfFcB5e760BC",
    "userId": "476284737"
  }
}