{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1377628468",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6bca458cacc2f8f36fd9bf5a4564dc26b5da6ac56e66f21705bdeb1137b00fff",
    "signature": "0x07720959b628cdc575e728888870332bc941ee018bb3f333ed501d0ac70bc99b3abffce38258a37f10e2949e6951c7d31e7829e2f31c73f5b9d3ecf9f5b36f3f1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}