{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950466,-0.310828,0.000000,0.000000,0.173801,-0.531458,0.829063,0.000000,-0.257153,0.786336,0.561737,0.000000,-1641889.032575,5020662.955041,3562616.482701,1],    "boundingVolume": {    "region": [1.886811,0.596435,1.886909,0.596533,0.000000,13.795383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1389599.b3dm"}}}