{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949747,-0.313017,0.000000,0.000000,0.174949,-0.530824,0.829228,0.000000,-0.259016,0.785898,0.561493,0.000000,-1653785.782575,5017865.166997,3561065.642935,1],    "boundingVolume": {    "region": [1.889088,0.596105,1.889241,0.596273,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1436514.b3dm"}}}