{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950434,-0.310926,0.000000,0.000000,0.173814,-0.531311,0.829155,0.000000,-0.257263,0.786397,0.561601,0.000000,-1642592.902821,5021049.730236,3561752.650723,1],    "boundingVolume": {    "region": [1.886915,0.596270,1.887013,0.596369,0.000000,8.819004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/3_1427915.b3dm"}}}