{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950150,-0.311793,0.000000,0.000000,0.174221,-0.530919,0.829320,0.000000,-0.258032,0.786320,0.561355,0.000000,-1647501.002210,5020558.003571,3560189.125578,1],    "boundingVolume": {    "region": [1.887806,0.595918,1.887945,0.596127,0.000000,8.779620]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1350709.b3dm"}}}