{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0b646b73dc8ec0815a7b87867b54e6f2fefb5836c16efb4d1886f948b19bdde5",
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}