{
  "manageEntity": {
    "action": "Update",
    "entityId": "787787230",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x13adce1bb802662b0be9573832ce83038a45dfeabba21415c69ed79bf37c1516",
    "signature": "0x95c96788cb956b514add7070151bc24a6924c3ccbd46d2a8f3f6caad0638340247d5deb239e6116df5e54d2c1b402bf340aaf5a4b135bd6ccb30f08f86c9b94f1b",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}