{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x29d51b8a9d1db5cd6f7da23d9ca230d3f5a6f66b27ab09a3bcbbca53bf431901",
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}