{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1491597591",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4ca6e6963c3c3d91866d9fdcaca8ba78611540ebce917dcd14b4167ae93e802f",
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    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
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}