{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949721,-0.313096,0.000000,0.000000,0.175044,-0.530963,0.829118,0.000000,-0.259047,0.785772,0.561655,0.000000,-1653984.842763,5017064.831865,3562093.768857,1],    "boundingVolume": {    "region": [1.889171,0.596301,1.889324,0.596469,0.000000,9.258883]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1335809.b3dm"}}}