{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951038,-0.309074,0.000000,0.000000,0.172642,-0.531230,0.829451,0.000000,-0.255822,0.787180,0.561161,0.000000,-1633393.073347,5026044.067803,3558957.155556,1],    "boundingVolume": {    "region": [1.884943,0.595678,1.885088,0.595898,0.000000,8.711283]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1340168.b3dm"}}}