{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948968,-0.315372,0.000000,0.000000,0.176089,-0.529861,0.829602,0.000000,-0.261083,0.785612,0.560936,0.000000,-1666981.361479,5016025.994678,3557526.237268,1],    "boundingVolume": {    "region": [1.891613,0.595488,1.891676,0.595544,0.000000,8.752248]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/4.b3dm"}}}