{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499337064",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9144659bf7aeb400907e130d092c70a9ee2a992f7da221b9f4d90e47f20303dd",
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    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
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  }
}