{
  "manageEntity": {
    "action": "Update",
    "entityId": "182525799",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8040c37b597e5d93dff2b9cf0d837dffbf1d8a6117e732d814b24b9ea247ef55",
    "signature": "0xf265973a7de7a71edf47b0c4d04058cf090bf52a4e94d0a8031cc84fe6fd75963824ef7f5a80710e56bdefde6ae453f0d72a4966eedaa60eb48d5993572bfb911c",
    "signer": "0xb500b2CED2B75f0A50b914A863273473f7Dcb5d7",
    "userId": "182525799"
  }
}