{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944295,-0.329099,0.000000,0.000000,0.183958,-0.527835,0.829186,0.000000,-0.272310,0.781347,0.561555,0.000000,-1738666.070321,4988809.421472,3561456.005063,1],    "boundingVolume": {    "region": [1.906089,0.596226,1.906203,0.596301,0.000000,8.815695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_851665.b3dm"}}}