{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898449,-0.439078,0.000000,0.000000,0.283955,-0.581032,0.762739,0.000000,-0.333959,0.683352,0.649231,0.000000,-2133048.071623,4364676.121949,4118980.162611,1],    "boundingVolume": {    "region": [2.025318,0.706536,2.025419,0.706611,0.000000,9.085525]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1819129.b3dm"}}}