{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948983,-0.315327,0.000000,0.000000,0.176074,-0.529898,0.829582,0.000000,-0.261039,0.785605,0.560966,0.000000,-1666701.771499,5015981.683816,3557718.412794,1],    "boundingVolume": {    "region": [1.891528,0.595500,1.891666,0.595606,0.000000,8.694383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1070965.b3dm"}}}