{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8bea788573b0f5355d298730f8275804efc2f57f97fbffc08070e253cbc8f30b",
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}