{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950041,-0.312125,0.000000,0.000000,0.174047,-0.529760,0.830098,0.000000,-0.258551,0.786974,0.560199,0.000000,-1650810.389138,5024708.352482,3552842.809718,1],    "boundingVolume": {    "region": [1.888143,0.594561,1.888307,0.594692,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458792.b3dm"}}}