{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898000,-0.439996,0.000000,0.000000,0.284409,-0.580458,0.763007,0.000000,-0.334776,0.683252,0.648916,0.000000,-2138261.326006,4364031.676191,4116973.007655,1],    "boundingVolume": {    "region": [2.026325,0.706047,2.026457,0.706270,0.000000,6.721602]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820366.b3dm"}}}