{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897726,-0.440554,0.000000,0.000000,0.282899,-0.576470,0.766584,0.000000,-0.336784,0.686272,0.644677,0.000000,-2151045.821430,4383237.048337,4090003.335406,1],    "boundingVolume": {    "region": [2.026948,0.700566,2.027075,0.700635,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858173.b3dm"}}}