{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949892,-0.312580,0.000000,0.000000,0.174701,-0.530897,0.829234,0.000000,-0.258656,0.786023,0.561484,0.000000,-1651485.255977,5018663.396365,3561008.797226,1],    "boundingVolume": {    "region": [1.888618,0.596076,1.888789,0.596281,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1436010.b3dm"}}}