{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x25e99d5f8c683074b2bea7231fedd5c0b0cdbb78ec3913fc36882d8dbedbd652",
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}