{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897631,-0.440747,0.000000,0.000000,0.283176,-0.576720,0.766293,0.000000,-0.336803,0.685937,0.645023,0.000000,-2151171.492475,4381105.345214,4092205.779773,1],    "boundingVolume": {    "region": [2.027164,0.701019,2.027290,0.701088,0.000000,16.386729]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_815081.b3dm"}}}