{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950376,-0.311104,0.000000,0.000000,0.172937,-0.528295,0.831262,0.000000,-0.258071,0.788366,0.558461,0.000000,-1647730.149376,5033562.831865,3541796.120772,1],    "boundingVolume": {    "region": [1.887066,0.592430,1.887236,0.592629,0.000000,8.726532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/7_1462499.b3dm"}}}