{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949009,-0.315248,0.000000,0.000000,0.175948,-0.529668,0.829755,0.000000,-0.261029,0.785792,0.560709,0.000000,-1666634.796566,5017172.319951,3556081.578713,1],    "boundingVolume": {    "region": [1.891467,0.595146,1.891561,0.595337,0.000000,8.758130]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/30_1073331.b3dm"}}}