{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950041,-0.312127,0.000000,0.000000,0.174058,-0.529791,0.830076,0.000000,-0.258546,0.786953,0.560232,0.000000,-1650774.892047,5024572.713364,3553049.731336,1],    "boundingVolume": {    "region": [1.888145,0.594600,1.888309,0.594731,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459170.b3dm"}}}