{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950029,-0.312162,0.000000,0.000000,0.174074,-0.529774,0.830083,0.000000,-0.258577,0.786950,0.560221,0.000000,-1650975.962355,5024554.029733,3552983.176270,1],    "boundingVolume": {    "region": [1.888182,0.594587,1.888346,0.594719,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460964.b3dm"}}}