{
  "manageEntity": {
    "action": "Repost",
    "entityId": "391927662",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe03d836c6c33574f999289ed715849e810c4cd6c3943a268a1b77c75b717c765",
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    "signer": "0x28945B345Dc8334c21B4e932dA506ca6Fac7e18a",
    "userId": "290283513"
  }
}