{
  "manageEntity": {
    "action": "Update",
    "entityId": "806730286",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x12e6c0a92704c90674af8725be2a7625bb01926cb81ec524a296bc6975fb0aa5",
    "signature": "0xfe7a6b243c69c32c2722185bd2876fe633af9da31f7b8ac76a935cae9d3fe7cf085a68c5f30e3601856cbc25cbe306b4f87be8ebfb4dae4cdcb81d8a277a09cd1c",
    "signer": "0x2998887475389835ebB15d652B6c54B9C507E3ae",
    "userId": "806730286"
  }
}