{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf833a92e4900d6a658a1521e9bb49c8bb189052cb7d948e3b96a4127470c44e4",
    "signature": "0x0a62b1355d9775611b43ec0c663b40d2e866047f089d53ae2cfea9713b8803125999709f631c75a75a17fb4bdce138efb6d8426ea31159fadb5e09d9acacb1021b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}