{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948883,-0.315629,0.000000,0.000000,0.176377,-0.530246,0.829295,0.000000,-0.261198,0.785247,0.561393,0.000000,-1667719.394079,5013705.338620,3560430.876733,1],    "boundingVolume": {    "region": [1.891847,0.596015,1.891984,0.596122,0.000000,8.751617]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1068221.b3dm"}}}