{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950897,-0.309507,0.000000,0.000000,0.173165,-0.532013,0.828840,0.000000,-0.255991,0.786479,0.562067,0.000000,-1634474.580600,5021583.102509,3564714.228626,1],    "boundingVolume": {    "region": [1.885389,0.596799,1.885554,0.596968,0.000000,8.691446]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1387798.b3dm"}}}