{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942965,-0.332891,0.000000,0.000000,0.186472,-0.528212,0.828384,0.000000,-0.275178,0.779486,0.562743,0.000000,-1756987.206924,4976944.511858,3569006.091277,1],    "boundingVolume": {    "region": [1.910101,0.597660,1.910226,0.597740,0.000000,8.729947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1255130.b3dm"}}}