{
  "manageEntity": {
    "action": "Repost",
    "entityId": "517836083",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb28a3c8cdccac3c20afff09b4bce76698121b8c28345127ba3b93c7f3c2da12e",
    "signature": "0xac2437d4ce1bb8b85b1554042b534ffb2c761289b631616837003a64ca603886215cbe9b820282abe4389f49e34dfab124de9a3d138ead110a7d52bb932a4a1d1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}