{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949061,-0.315093,0.000000,0.000000,0.175870,-0.529722,0.829738,0.000000,-0.260895,0.785818,0.560735,0.000000,-1665780.883886,5017336.684875,3556248.649472,1],    "boundingVolume": {    "region": [1.891282,0.595220,1.891420,0.595327,0.000000,8.820004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1375134.b3dm"}}}