{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa85945c19f01471c0cc8457593065b35577a59c78f1deb29a3f29dffb3d4c03a",
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}