{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950148,-0.311801,0.000000,0.000000,0.173844,-0.529754,0.830144,0.000000,-0.258297,0.787107,0.560130,0.000000,-1649186.645928,5025554.662710,3552402.821630,1],    "boundingVolume": {    "region": [1.887802,0.594477,1.887966,0.594608,0.000000,8.814051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1458360.b3dm"}}}