{
  "manageEntity": {
    "action": "Update",
    "entityId": "199018246",
    "entityType": "Playlist",
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    "nonce": "0x3b569e1f9f53f6ff6975755b4ee01cd251e58c3d794d424966528f36c113b93b",
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    "signer": "0x85add34718Ac3B027adAa9128849adb2B66ed3b8",
    "userId": "947561688"
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}