{
  "manageEntity": {
    "action": "Update",
    "entityId": "199018246",
    "entityType": "Playlist",
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    "nonce": "0x389495c59c3c2671a4c767387ca51779bcd45c753da8baa354397ad22791f460",
    "signature": "0x589ecfba10372da80660175793d28d4051cf2c36d7fde308b8c6b7faca1fa2702d5c5b15059865ccb16162c0dbad2320ce45c50dabc4efafe565f79b2f397dce1c",
    "signer": "0x85add34718Ac3B027adAa9128849adb2B66ed3b8",
    "userId": "947561688"
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}