{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950353,-0.311174,0.000000,0.000000,0.115229,-0.351918,0.928911,0.000000,-0.288785,0.881976,0.372453,0.000000,-1842767.707124,5627977.990409,2360750.375033,1],    "boundingVolume": {    "region": [1.887161,0.381599,1.887287,0.381702,0.000000,28.899240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/17_66853.b3dm"}}}