{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757739",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6e1ea8ab62e2b0739f9730f9f88386a3631afe75f75c0b0ed2911ee61a415c94",
    "signature": "0xe1744b94beb385f3d7de5c6cf8225590a4ec6b4f68bc2ce27517dcf2f4bda6ce2c279a651ab57a7f93561f1b6a8a72c96d2e370c82d15351667da3e348323fa31b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}