{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949958,-0.312378,0.000000,0.000000,0.174523,-0.530734,0.829375,0.000000,-0.258533,0.786214,0.561274,0.000000,-1650703.403923,5019875.654381,3559671.383664,1],    "boundingVolume": {    "region": [1.888406,0.595821,1.888577,0.596027,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1351239.b3dm"}}}