{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949887,-0.312593,0.000000,0.000000,0.174709,-0.530895,0.829233,0.000000,-0.258667,0.786019,0.561485,0.000000,-1651555.613824,5018637.940944,3561012.020214,1],    "boundingVolume": {    "region": [1.888632,0.596076,1.888804,0.596282,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1436040.b3dm"}}}