{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10359",
    "entityType": "User",
    "nonce": "0x753d4a54833f5596f3c1b64771f39fd70ba6e4f176cecf4b23144196de8feae8",
    "signature": "0xe16f131cb69250d0fa0955f186763de3192ef7d6e470d267c1554000a2fe55013ac51d56173d60356398bc2a9ed29c27144589bb0e673847fcbb517dcd2c06c01b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}