{
  "manageEntity": {
    "action": "Update",
    "entityId": "836374706",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x232a194f9c34a529b8c0dcdf4a44c767036ede3cff8eb7e76f3056967048dd22",
    "signature": "0x4e28b73c4d279b32f28b48819863674f66d3ccb27774110cec078670a3f6ced202a23a9f43fcd7f10c4c96e8744b14a53f08b48136e404d638e489fe07e88a1f1b",
    "signer": "0x68C5055FBaf60dA4F12097A1D2DEd717450F7330",
    "userId": "836374706"
  }
}