{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893952,-0.448162,0.000000,0.000000,0.288741,-0.575954,0.764791,0.000000,-0.341792,0.681776,0.646808,0.000000,-2183056.996647,4354560.692440,4103560.299837,1],    "boundingVolume": {    "region": [2.035422,0.703310,2.035587,0.703472,0.000000,42.859510]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_1994218.b3dm"}}}