{
  "manageEntity": {
    "action": "Update",
    "entityId": "50628254",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb4774c1608a071d75dd4c8e0c7b87365d7385cb82adb3eb12f5ad19ca82442d3",
    "signature": "0x3261fc3090f3ce9f7d0bd00660ee5510e4e1c8bff0803a4c5dfa478f6a954b893390066c71dd85bdf5790ef332bb4cceeef19ea0fdd637f1e754b464e79eed401b",
    "signer": "0xBaeD8b8D095d2db7dd714B6D560475d394801486",
    "userId": "50628254"
  }
}