{
  "manageEntity": {
    "action": "Repost",
    "entityId": "577788577",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x34d3c0082af691f6a0953c4bf6d20bf62b25ed8a84765b4be41ffb365c000586",
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    "signer": "0xE4EF593fb5D21ecF6B00BbBB006Eb9725F5F7a5A",
    "userId": "852971520"
  }
}