{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951288,-0.308304,0.000000,0.000000,0.171135,-0.528045,0.831794,0.000000,-0.255913,0.789632,0.557664,0.000000,-1633947.728334,5041633.761115,3536732.193249,1],    "boundingVolume": {    "region": [1.884152,0.591526,1.884260,0.591613,0.000000,6.315920]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/50/41_1382949.b3dm"}}}