{
  "manageEntity": {
    "action": "Update",
    "entityId": "486892163",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x68ecb711f717f24c737016e033829cccba595df2cbc80a6627038ab07b930295",
    "signature": "0xc8bd5db7d68cecb796adfff2878d01bd95ef363e403c8b87bdfd673fa3dc9a003c15a2db207c1188cb6d84ea5d21ca78401a0a33a214f732d506055562a3a6571c",
    "signer": "0x59F214C2444449BE6E787bC1568Da6FE0D45630E",
    "userId": "486892163"
  }
}