{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949869,-0.312648,0.000000,0.000000,0.174738,-0.530878,0.829237,0.000000,-0.258714,0.786008,0.561478,0.000000,-1651856.267957,5018567.868842,3560971.593848,1],    "boundingVolume": {    "region": [1.888691,0.596069,1.888862,0.596274,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435739.b3dm"}}}