{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894817,-0.446434,0.000000,0.000000,0.284630,-0.570503,0.770398,0.000000,-0.342990,0.687478,0.640103,0.000000,-2190643.580832,4390852.573917,4060909.384213,1],    "boundingVolume": {    "region": [2.033505,0.694571,2.033639,0.694695,0.000000,38.039740]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1138180.b3dm"}}}