{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944313,-0.329048,0.000000,0.000000,0.183933,-0.527857,0.829178,0.000000,-0.272264,0.781354,0.561567,0.000000,-1738375.643030,4988853.906795,3561534.929692,1],    "boundingVolume": {    "region": [1.906034,0.596241,1.906149,0.596316,0.000000,8.785275]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_851763.b3dm"}}}