{
  "manageEntity": {
    "action": "Repost",
    "entityId": "900683419",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcdb429e8dbac397115d4cd75768231e629d04545d076fa628731c8c5aae0ef73",
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    "signer": "0x849938DF063059EbF6d907f55E72C083347C9343",
    "userId": "796529120"
  }
}