{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943154,-0.332356,0.000000,0.000000,0.186163,-0.528290,0.828404,0.000000,-0.274743,0.779660,0.562714,0.000000,-1754207.997518,4978057.564982,3568822.106912,1],    "boundingVolume": {    "region": [1.909534,0.597625,1.909660,0.597704,0.000000,8.465652]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1255250.b3dm"}}}