{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949412,-0.314033,0.000000,0.000000,0.175526,-0.530667,0.829207,0.000000,-0.259850,0.785601,0.561524,0.000000,-1659107.779174,5015967.259404,3561262.576499,1],    "boundingVolume": {    "region": [1.890184,0.596186,1.890283,0.596267,0.000000,8.781512]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1443612.b3dm"}}}