{
  "manageEntity": {
    "action": "Update",
    "entityId": "793219738",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x08f6fdf9ae87d8c5605b6992eb244323bd16786f7677ff4f54687bc7792b2b00",
    "signature": "0xb267dcb0f9505502f7ffab9fe69a7e51bae15f384530415547a100ae8db2e0603eba4808094026f9fc2ba24049b3e2f9a4ba79fb2820ef7c127cfbb8be00cee21b",
    "signer": "0xCC9824B7Dd8557C5737409C21cb83B118a3B4826",
    "userId": "793219738"
  }
}