{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950746,-0.309972,0.000000,0.000000,0.173390,-0.531822,0.828916,0.000000,-0.256399,0.786426,0.561955,0.000000,-1637079.813572,5021242.496526,3564003.251267,1],    "boundingVolume": {    "region": [1.885878,0.596663,1.886043,0.596832,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387254.b3dm"}}}