{
  "manageEntity": {
    "action": "Update",
    "entityId": "75683930",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3d00b839401022da837d524add53142f44cdac26ad0ca9c6ad1b6340c1cb86f0",
    "signature": "0x734f2b46353171e205b884f3b8c0de20c1bb6c7b348d0437b926e00b261d565864c76871d0ddde593d16a13371c96c58be968aca6185d7e6ac64e3981cec85c71c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}