{
  "manageEntity": {
    "action": "Update",
    "entityId": "33390898",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6ebf702d443ca081dcbb7b0156295fffa7291c5842205cba28cc5cad54a301b1",
    "signature": "0xd66d67d8e8da3225caab08497c236b37c38e80c6827d10743be4c0ae01e3b8e36945c1607d88f4d72693ad0cb11853f5645cd166b72344a22fea75041e50dee61b",
    "signer": "0xb96A043C17834B8F85ffC7dA5AD7ad77457a0540",
    "userId": "33390898"
  }
}