{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2dc75a74b1bfe66bc4d05a75c5354030d7ca77d1e800ebbd7c2b0b1788919f31",
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}