{
  "manageEntity": {
    "action": "Save",
    "entityId": "1557405812",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x77277de0c98188d86ae4d5463a08e0365ac7f5ca7446e5e4e759cd5d242038fb",
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}