{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb15dc7f93e6ac0b591e269555de43efb8f961bc0cd99f7875ea1ff9c4d6cd651",
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}