{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4711843ecf4892c253982c31da2e5908cc21a29ecf4ed746ea67959a1d81e536",
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}