{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943793,-0.330537,0.000000,0.000000,0.184176,-0.525884,0.830377,0.000000,-0.273896,0.782063,0.559784,0.000000,-1748782.758867,4993348.139747,3550200.096569,1],    "boundingVolume": {    "region": [1.907615,0.594034,1.907724,0.594215,0.000000,8.817907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1319461.b3dm"}}}