{
  "manageEntity": {
    "action": "Update",
    "entityId": "381282959",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3c4ab22164edfc4ece75ba4e229ea0a70c962dfd1988169f7a4d7eb4e7fedf16",
    "signature": "0x10f02bcf25d22754fd9daa51d20e7b5363ac1258309f851f3da912d851d0d3c26eb0bef10246d52bdc360c70212806fa0eaad372c653ca6f67559273727cb1971c",
    "signer": "0x87D679395c735FF953e24C0d47a60c6115d7cbDc",
    "userId": "381282959"
  }
}