{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895055,-0.445955,0.000000,0.000000,0.284025,-0.570053,0.770953,0.000000,-0.342871,0.688161,0.639432,0.000000,-2189879.923801,4395204.458100,4056639.978262,1],    "boundingVolume": {    "region": [2.032971,0.693697,2.033104,0.693822,0.000000,49.266607]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/6_1016250.b3dm"}}}