{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x97927d07a0c8d261fdc48a664dbe276a21e585c925aff9321ee14cdbb034b536",
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    "signer": "0x2E2565a072345523FeCd90bE95baC34859891AfE",
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}