{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949439,-0.313953,0.000000,0.000000,0.175524,-0.530809,0.829116,0.000000,-0.259755,0.785536,0.561658,0.000000,-1658505.047933,5015556.556953,3562115.912229,1],    "boundingVolume": {    "region": [1.890101,0.596348,1.890199,0.596430,0.000000,26.508872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1410270.b3dm"}}}