{
  "manageEntity": {
    "action": "Update",
    "entityId": "11328066",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc678427f8b016ec598a4312dacd7f3a243b9cee5fdc19a12235263b4e924e1e0",
    "signature": "0xb6ff9f0241f1e4542a7c1cf3957f289c1019c3b373f4ebd8999fe6b6bae47539512ac2f79cab6d81ebc8498eb633a5fad1c6941c4d58842bcd12387a0b620b0c1c",
    "signer": "0x1eD5daf6257802F2F358696D4Cb0Ff78743A90f7",
    "userId": "11328066"
  }
}