{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898809,-0.438340,0.000000,0.000000,0.283072,-0.580435,0.763522,0.000000,-0.333742,0.684333,0.648309,0.000000,-2131654.668734,4370923.832525,4113111.730843,1],    "boundingVolume": {    "region": [2.024465,0.705302,2.024630,0.705421,0.000000,14.368120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843570.b3dm"}}}