{
  "manageEntity": {
    "action": "Update",
    "entityId": "106614376",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9e04d9edcd5d0c508fa2561999549f93ade274e1676cbbeac537558bc5f5286e",
    "signature": "0xfed8a75c320d5e8b5ed30bf42815c4706c3c9383a8619a3079f5c8b771cda37212a7d3bdbc29e6426f1e69ee5b5139ebef62d64072f54a2f5fd37e7e602184031c",
    "signer": "0xB6977e46032867474008Cd2f452F2c7a140Ab305",
    "userId": "106614376"
  }
}