{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948891,-0.315604,0.000000,0.000000,0.175656,-0.528126,0.830800,0.000000,-0.261657,0.786692,0.559152,0.000000,-1670630.372241,5022889.208409,3546189.151094,1],    "boundingVolume": {    "region": [1.891885,0.593361,1.891895,0.593365,0.000000,7.848874]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/4.b3dm"}}}