{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6230fad99755da9c1e0485a730a6404648ec01a13b823769b56555596c26c49c",
    "signature": "0x56b4ad94cdd042c33454ac89551ec62a77ea01d4aebff03ed260ab5b6a53fee17281d2cfcdf69f7a0ee35ad8e3257f46d929a8f47a2da14c991b349ceb129f501b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}