{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897646,-0.440716,0.000000,0.000000,0.283145,-0.576707,0.766315,0.000000,-0.336789,0.685968,0.644997,0.000000,-2151081.711460,4381301.125199,4092044.452266,1],    "boundingVolume": {    "region": [2.027129,0.700985,2.027256,0.701054,0.000000,11.251630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861753.b3dm"}}}