{
  "manageEntity": {
    "action": "Update",
    "entityId": "457140696",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfcf9a0df4e292c223977790138713bf4ee45e8bfef8966143a86376949ec8fec",
    "signature": "0x9f4d3a95b9cd91d77c83e12a0820b329d2d24dbc9b2e92bf7e9722ed1c1c87b32eeaf66fa5e9d1ba7a98262ce09c3eda4f38693c1ea9b2e76af65822be852ab01c",
    "signer": "0xee24f992a791b330c115904885f2727781B75F8e",
    "userId": "457140696"
  }
}