{
  "manageEntity": {
    "action": "Save",
    "entityId": "1475921367",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4557bcc1dfcee96b5060cfa23a968abd26cdc43e2a0039836d072452fba88b6b",
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}