{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x63ac08eddcf7ab12f095a31d44ff8542a3bacbde0de6dd81e9a7f5571b4d07e9",
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}