{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x77a496a206b4d9d57fe41d3d0a709bf5dd3f09b4fcb37805b0b2e61d94bea62d",
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}