{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950149,-0.311797,0.000000,0.000000,0.173840,-0.529747,0.830149,0.000000,-0.258296,0.787112,0.560122,0.000000,-1649180.827797,5025591.529424,3552353.698168,1],    "boundingVolume": {    "region": [1.887799,0.594468,1.887963,0.594599,0.000000,8.814051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1458323.b3dm"}}}