{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xacc955a94501246e596243513f76d6e0e9a0b6c1832c6d715da4a1567722d127",
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}