{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949080,-0.315036,0.000000,0.000000,0.116207,-0.350085,0.929482,0.000000,-0.292551,0.881342,0.371012,0.000000,-1866792.639714,5623911.747804,2351608.734063,1],    "boundingVolume": {    "region": [1.891237,0.380041,1.891345,0.380156,0.000000,18.797765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/23_2900.b3dm"}}}