{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943995,-0.329961,0.000000,0.000000,0.184152,-0.526845,0.829772,0.000000,-0.273217,0.781656,0.560683,0.000000,-1744454.666711,4990764.423779,3555919.288815,1],    "boundingVolume": {    "region": [1.907010,0.595153,1.907106,0.595268,0.000000,8.731361]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1276369.b3dm"}}}