{
  "manageEntity": {
    "action": "Update",
    "entityId": "238411250",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5589d462ad30fc3a8bf83d598e2a442c79af23aefe1a0ae2a303f3ecac1d487b",
    "signature": "0x6adfaff6c30760884bb07036b8842f3465f75340e5c92a25d1ee3864488790887e1f6551231bc7cb24052b7d545d793a689c4145f9ba77582ed0980d913bb3331c",
    "signer": "0xD11E60b78D349bEEF08c055Fb75986129acF601B",
    "userId": "238411250"
  }
}