{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x33449e2397c3d3e63954b3801bcfffc297bb0c25d7e47fa9f6cb7fd0ab3f1134",
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    "signer": "0xf085f5a43715e07962d628580cF93c8b30cd7c0c",
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  }
}