{
  "manageEntity": {
    "action": "Repost",
    "entityId": "57176426",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xef41a474ff0ccc81feb12c85566f0ea7b3f5d497ff521f833ca804c71f2b8c13",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}