{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950206,-0.311624,0.000000,0.000000,0.174175,-0.531095,0.829217,0.000000,-0.257859,0.786268,0.561508,0.000000,-1646401.303913,5020223.617952,3561162.686010,1],    "boundingVolume": {    "region": [1.887628,0.596103,1.887767,0.596312,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1341960.b3dm"}}}