{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x53f07546f42dd403e59b5d57c3c78270f60b842c3234c67a841b00381febb36d",
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}