{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943341,-0.331826,0.000000,0.000000,0.185948,-0.528627,0.828238,0.000000,-0.274249,0.779656,0.562960,0.000000,-1751057.592060,4978037.400169,3570386.496074,1],    "boundingVolume": {    "region": [1.908973,0.597923,1.909098,0.598002,0.000000,8.465068]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1249219.b3dm"}}}