{
  "manageEntity": {
    "action": "Update",
    "entityId": "684154182",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb5af59a318cf002c146be4a0711bf99cae66f6b4d69bab75f18e2450fad16081",
    "signature": "0xdc1dad251079d14ece34e9946b76ea8c6c45d5083466e9cce6534f6e4d5e6794760a4bc749fe3fcd9519ef6e98d50960e531b835ca2c2fe44ecf2e4dc02d90621b",
    "signer": "0x06C5F1f1F90a4001093385f0451DB59495965f99",
    "userId": "684154182"
  }
}