{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943847,-0.330382,0.000000,0.000000,0.184526,-0.527160,0.829489,0.000000,-0.273472,0.781265,0.561104,0.000000,-1746083.199065,4988275.619445,3558593.149817,1],    "boundingVolume": {    "region": [1.907457,0.595662,1.907552,0.595777,0.000000,8.807456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1273217.b3dm"}}}