{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949264,-0.314481,0.000000,0.000000,0.116219,-0.350809,0.929207,0.000000,-0.291948,0.881249,0.371706,0.000000,-1862949.215281,5623330.693872,2356012.342975,1],    "boundingVolume": {    "region": [1.890637,0.380796,1.890775,0.380896,0.000000,15.100712]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_71901.b3dm"}}}