{
  "manageEntity": {
    "action": "Update",
    "entityId": "928026347",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd865921ffaadbba7e856efea4ca20c8bd62acdd43f02df682c1ea7d73db12fac",
    "signature": "0x8e51dcf929adab0d1399ad58696db456d8e676194dde02a711a5f3d9d84216495413753ee40382d7e277a6e8e3e28e942d389a396b95f01d645b6309a163ec2e1b",
    "signer": "0xC8D8D2740d15d06054dd962172A6dE57b86987BA",
    "userId": "928026347"
  }
}