{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949054,-0.315112,0.000000,0.000000,0.115874,-0.348989,0.929935,0.000000,-0.292766,0.881753,0.369864,0.000000,-1868158.695635,5626520.309479,2344321.790740,1],    "boundingVolume": {    "region": [1.891319,0.378827,1.891424,0.378897,0.000000,60.935905]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/20_10760.b3dm"}}}