{
  "manageEntity": {
    "action": "Update",
    "entityId": "581296411",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb891247bc21bd927f072f3038fec2abb655c8185bff5b030846a5d2ad1b99ac4",
    "signature": "0x5834f5c79e4ed403f0e5a17dba9039065395adafdce5ed332839a557d6eb55d650c05c9a42e9a09a7d691c723ee2c474b079e17c0a6202ae147675f7689f05351c",
    "signer": "0x297474d223819165e2855d3209eCB81FaB9784E0",
    "userId": "581296411"
  }
}