{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4980b853c07d7dc7cd2c9481d18eff0e9d7e89a9fb79351b7bd49a92d8ab1971",
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}