{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe59d13ae7f5d3769c152a099f0159fd84388ecb4a933b84134e5f80fb2bb27ae",
    "signature": "0x14faae15722c7df2b233c4f8d9988da6161ae9c60116dc48d9fa496f3f27fa8d3cb93169a82c58afc6fa072daee07ba3682a4a7adede37a37678740c78d9d3411b",
    "signer": "0xA48cDC8450D0d206939D578a9dc4B48622265dd2",
    "userId": "862959519"
  }
}