{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871403,-0.490568,0.000000,0.000000,0.211761,-0.376154,0.902034,0.000000,-0.441953,0.785046,0.434028,0.000000,-2820613.176621,5010293.773189,2751491.677891,1],    "boundingVolume": {    "region": [2.083482,0.448918,2.083594,0.448999,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_221162.b3dm"}}}