{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949632,-0.313368,0.000000,0.000000,0.175249,-0.531076,0.829003,0.000000,-0.259235,0.785588,0.561826,0.000000,-1655188.312827,5015888.546773,3563183.800565,1],    "boundingVolume": {    "region": [1.889457,0.596508,1.889611,0.596676,0.000000,8.066593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7_1337552.b3dm"}}}