{
  "manageEntity": {
    "action": "Update",
    "entityId": "673773101",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x63f90120d4b0fcdada6b21915f5c5377137b158312557084e103956a6bc5ab74",
    "signature": "0x5ced3cb67a4fa1ff2c6610fde8f1816a010dcc583fa4c066629856a091dd79e4390038e3adecb743d9f64d80304ab57c3485506909a63cf5d0698cb913ef889d1c",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}