{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950224,-0.311567,0.000000,0.000000,0.174172,-0.531194,0.829155,0.000000,-0.257793,0.786223,0.561601,0.000000,-1645977.831806,5019941.580188,3561752.001850,1],    "boundingVolume": {    "region": [1.887569,0.596215,1.887707,0.596424,0.000000,8.738041]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1331765.b3dm"}}}