{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949997,-0.312259,0.000000,0.000000,0.174103,-0.529680,0.830137,0.000000,-0.258674,0.786975,0.560141,0.000000,-1651595.143950,5024713.455482,3552473.344312,1],    "boundingVolume": {    "region": [1.888284,0.594491,1.888448,0.594622,0.000000,13.895888]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_1460257.b3dm"}}}