{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa13c1464dde25f5d27b7f16cf0b2cae4d7b1d00d34f4ca177f300221a3cbf532",
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}