{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948859,-0.315699,0.000000,0.000000,0.116023,-0.348718,0.930019,0.000000,-0.293338,0.881652,0.369652,0.000000,-1871809.417074,5625870.319240,2342978.331268,1],    "boundingVolume": {    "region": [1.891937,0.378599,1.892042,0.378669,0.000000,48.416004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/17_12055.b3dm"}}}