{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x17b0db4e24e05fbe97aa44b0bb54d29aa4d3581ba27ca9d9dd5edde74e742388",
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}