{
  "manageEntity": {
    "action": "Update",
    "entityId": "39423690",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdaf84f57c761f1d4a6e082c54b3b3112f448b9f5563c63316250107eb21eb697",
    "signature": "0x77406545bd799b85f8cfad2b8f90d9d3e7075e9ca19b1e168d7f6b021ccc49862c957c0778226f7126f85c4b359abd5b10fea1d147e77fc1d57b5f0a4ab05bfa1b",
    "signer": "0xeE4A4B34F2d9E8135b73905d1997C818782ec231",
    "userId": "39423690"
  }
}