{
  "manageEntity": {
    "action": "Save",
    "entityId": "1212958300",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x12e515dd53e89b2a8793dd9457ef3e4edb5e6d1e405b49fae4808861900d1b19",
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}