{
  "manageEntity": {
    "action": "Save",
    "entityId": "1505600491",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7e2e99ce3e46ddf0c81e496fc5f924000a37ccf62a14d4c82489fa05a56bfe6d",
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}