{
  "manageEntity": {
    "action": "Repost",
    "entityId": "319048",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x64a8ce4d379bd76ee1c61cc5cdaa83c4c2abffb9383c088c306bc3078aa307ca",
    "signature": "0x74f1774be1ff0854f01a4e039d5c482f559be468f9772cf0a265953c5fae84e70233979b43d027ef5d9f213d0064e943e513c7c39e1855cb0b67b61b5dfdd79a1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}