{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950641,-0.310292,0.000000,0.000000,0.173249,-0.530781,0.829612,0.000000,-0.256881,0.787006,0.560922,0.000000,-1640150.528232,5024927.721889,3557435.669834,1],    "boundingVolume": {    "region": [1.886239,0.595442,1.886354,0.595556,0.000000,8.809651]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1451532.b3dm"}}}