{
  "manageEntity": {
    "action": "Update",
    "entityId": "226195490",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x663dbe19c81272c4551d6c6b137164ca5a20eee76567bd15cd5ed1c3691fd397",
    "signature": "0xf2bdeeb0f8c650b0926ecc609c0924ba016a0241be763b04fa1d2755c7f4460e42a90278f4e61fa9c9aa67eb9d66d17057c2d10900edcba13f9af50f2f400c511b",
    "signer": "0x89e90d08149dD7F9f97DE25a1eeB3A79D669A53d",
    "userId": "226195490"
  }
}