{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcfec903239a449cf136965b42b287e36ef6b3a33e7c551f0db20514ecf55d135",
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}