{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949092,-0.315000,0.000000,0.000000,0.176087,-0.530546,0.829165,0.000000,-0.260637,0.785296,0.561586,0.000000,-1664135.814817,5014018.468236,3561658.196324,1],    "boundingVolume": {    "region": [1.891185,0.596249,1.891322,0.596355,0.000000,8.089963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1372824.b3dm"}}}