{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871405,-0.490565,0.000000,0.000000,0.211806,-0.376238,0.901988,0.000000,-0.441927,0.785008,0.434123,0.000000,-2820451.958171,5010049.745618,2752097.142153,1],    "boundingVolume": {    "region": [2.083478,0.449024,2.083591,0.449105,0.000000,74.070240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_224467.b3dm"}}}