{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xec4b109a525e69a343c7d528c5b2acc5e84902c0a362bf2c83ba12b7a7f38a6b",
    "signature": "0x3d475ac8f438a719c34399f1b0526ce638897ef3f2b48f8fcc659875f52a7207331fadcb381fb5f24c7229051bbabf5d1d485524917f83427aaeca525d571d581c",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}