{
  "manageEntity": {
    "action": "Update",
    "entityId": "85051708",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x848501f233b98c1d2e3cae7867c2dfd3d8188fbb711a06738c0d42af63a0a742",
    "signature": "0x8be9b9f896a7e0149ef926a5b03df24335252049a4b93c4ff1c1341eec239e6b7381b4f1f59d87af805aaa8b977bd6b8f5da68640adc6bff04d0230663990ef81b",
    "signer": "0x9976A5bDB93F69653188778fe013ed45ca0c2Ab1",
    "userId": "85051708"
  }
}