{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x56ae30f1d8c0ee8a186a784fc6580cdc49b9eca82c00b6fca6a88df9ba49207d",
    "signature": "0x3ad8d852171ba170831a0c1c64eed77aa115baff56a9000c6365e6fc7809f47d3bc44637b1410996ac3e72bf51c106ae00e929acb13d9daa2c78d57d167da60f1b",
    "signer": "0xC4e201BEaDD3933E76e562c99f9F367Ced3f68d7",
    "userId": "533673360"
  }
}