{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949179,-0.314738,0.000000,0.000000,0.175803,-0.530183,0.829457,0.000000,-0.260513,0.785647,0.561152,0.000000,-1663339.633424,5016256.096036,3558896.861927,1],    "boundingVolume": {    "region": [1.890908,0.595724,1.891046,0.595830,0.000000,12.426499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363916.b3dm"}}}