{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3b5b0f3adea7bc5d0d1ff9978422a9f4f96f1948f73b1aad97a2359fea618f56",
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}