{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944003,-0.329936,0.000000,0.000000,0.183712,-0.525631,0.830639,0.000000,-0.273485,0.782487,0.559392,0.000000,-1746154.003091,4996047.878035,3547711.704966,1],    "boundingVolume": {    "region": [1.906977,0.593562,1.907087,0.593742,0.000000,7.850426]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1243444.b3dm"}}}