{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640259763",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f24cbdb5536a449417785bfaf8c222d467e16826f4b625b9f03544e5bbeb8c5",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}