{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xefc6b2de9437c908198af4d3ea178f5e6454f48bb75b0c1192e7fbdf4244cab3",
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}