{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949335,-0.314266,0.000000,0.000000,0.114928,-0.347175,0.930731,0.000000,-0.292233,0.882778,0.367836,0.000000,-1864744.151977,5633030.298398,2331458.049375,1],    "boundingVolume": {    "region": [1.890395,0.376556,1.890563,0.376805,0.000000,35.906482]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_29261.b3dm"}}}