{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950897,-0.309506,0.000000,0.000000,0.173166,-0.532019,0.828836,0.000000,-0.255989,0.786475,0.562073,0.000000,-1634460.988771,5021560.121698,3564752.574816,1],    "boundingVolume": {    "region": [1.885388,0.596806,1.885553,0.596975,0.000000,8.691446]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1387859.b3dm"}}}