{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951230,-0.308484,0.000000,0.000000,0.115476,-0.356079,0.927293,0.000000,-0.285784,0.881234,0.376502,0.000000,-1823637.229812,5623301.297037,2386436.548183,1],    "boundingVolume": {    "region": [1.884344,0.386013,1.884446,0.386022,0.000000,20.533333]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/29/61.b3dm"}}}