{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948970,-0.315365,0.000000,0.000000,0.176086,-0.529863,0.829602,0.000000,-0.261077,0.785613,0.560938,0.000000,-1666944.201591,5016032.199375,3557534.842923,1],    "boundingVolume": {    "region": [1.891569,0.595465,1.891706,0.595571,0.000000,8.752248]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/4_1071256.b3dm"}}}