{
  "manageEntity": {
    "action": "Update",
    "entityId": "913084237",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1b1f2559af8f3a5e250ac1dbc3b45d12724bd635f0abeefb70857d381f45bca4",
    "signature": "0xd09e905f3fc4cdcb4ee007f20e9a3debfd81158139600d6822ec9775b4ff50276177df33e984cbe4ef710f9e7b28d43898f67749d245e87108c6256b77688b4d1c",
    "signer": "0x42d08a47a321C50470578C80F8601eE9B7F5085C",
    "userId": "913084237"
  }
}