{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757738",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcca1c47dc46084548c265340216c80647329cebd6002445a74e1a83956d6ac8b",
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    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}