{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951235,-0.308466,0.000000,0.000000,0.115643,-0.356615,0.927067,0.000000,-0.285697,0.881022,0.377065,0.000000,-1823082.615494,5621953.797266,2390008.351632,1],    "boundingVolume": {    "region": [1.884294,0.386574,1.884458,0.386677,0.000000,28.885675]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_15748.b3dm"}}}