{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "471711039",
    "entityType": "User",
    "nonce": "0xd847cff45dee4a85374e1cdf65cb8a58d8210a40fac2d0c452653e9f82659233",
    "signature": "0x203b1a14409ffc879adff0bf143ff19f7583169448519aefea2c29c3d42786055a8d6809e26eec11723dad1662eb163aaba5196e779515e0e0af5b1620728b4c1b",
    "signer": "0x5fF1FAa027241cb6747DA3cD69a38Ee0b8F850b3",
    "userId": "781859305"
  }
}