{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948868,-0.315674,0.000000,0.000000,0.176404,-0.530243,0.829291,0.000000,-0.261234,0.785231,0.561399,0.000000,-1667949.632231,5013604.886839,3560464.251916,1],    "boundingVolume": {    "region": [1.891894,0.596022,1.892032,0.596128,0.000000,8.766976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1149262.b3dm"}}}