{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x921afdb87de5c5d3b91d33926268f9cec2d154ee12e6d87e0533a00ee5981c21",
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}