{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x39b0b4e3cb0ff92cd8edb8431c41487e723e24721ad63b7715134ff27828efb9",
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}