{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543541555",
    "entityType": "Track",
    "nonce": "1787905176646100245",
    "signature": "0x60ab1da44b9ad1c8e9c2957b18b29be3c13d7973cc5e9278c378ca2fd9a050d15ee61081589aadf5ea303b0dcc3ffbd3848704227ad7b8e8cc6397439465d8ae1b",
    "signer": "0xd30fAF377491796757Ef4C1B0ccA8a407920e663",
    "userId": "451691735"
  }
}