{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943332,-0.331851,0.000000,0.000000,0.185867,-0.528352,0.828431,0.000000,-0.274334,0.779833,0.562674,0.000000,-1751597.436076,4979158.859806,3568569.694153,1],    "boundingVolume": {    "region": [1.908999,0.597577,1.909124,0.597656,0.000000,8.791432]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/8_1255335.b3dm"}}}