{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894787,-0.446494,0.000000,0.000000,0.284519,-0.570183,0.770675,0.000000,-0.343161,0.687704,0.639769,0.000000,-2191731.091310,4392291.867713,4058779.885000,1],    "boundingVolume": {    "region": [2.033573,0.694135,2.033706,0.694260,0.000000,56.210722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1167498.b3dm"}}}