{
  "manageEntity": {
    "action": "Repost",
    "entityId": "729781",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x643fc96be1c42b1750575f5b971fd05093a8690f89e8be6074e1df14a3ffe737",
    "signature": "0x4e6213c88f014df9201bd01881885a85532a3502333632d69813122b629e417e75ac3d9bfa11d11d4a845951ac28958994af70adaa0a92b187f6ac7ce42926f81b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}