{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943081,-0.332563,0.000000,0.000000,0.186300,-0.528309,0.828361,0.000000,-0.274899,0.779559,0.562777,0.000000,-1755207.508749,4977412.611241,3569227.485996,1],    "boundingVolume": {    "region": [1.909754,0.597702,1.909879,0.597782,0.000000,8.068930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1254992.b3dm"}}}