{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950559,-0.310544,0.000000,0.000000,0.173403,-0.530777,0.829583,0.000000,-0.257080,0.786910,0.560966,0.000000,-1641423.395023,5024313.575678,3557714.138143,1],    "boundingVolume": {    "region": [1.886504,0.595495,1.886619,0.595609,0.000000,8.511767]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1451676.b3dm"}}}