{
  "manageEntity": {
    "action": "Update",
    "entityId": "842043513",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x01e3fe0ae750a3d7aa5240814bd1d02763b322421f682f91bc233052157e33a7",
    "signature": "0x6accd1aba879b1ded7a2f65961a885597ca6f6e0a784641ba82aa764601032441273f1f0365915527f0f096f1fac90ce570197d977761c52ea55f42bc977e81f1c",
    "signer": "0xcCAe7e3D3B788aec9A4C39797101F323f7E87E55",
    "userId": "842043513"
  }
}