{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951859,-0.306536,0.000000,0.000000,0.112599,-0.349644,0.930092,0.000000,-0.284847,0.884509,0.369467,0.000000,-1817623.768185,5644100.870008,2341802.963532,1],    "boundingVolume": {    "region": [1.882266,0.378375,1.882430,0.378495,0.000000,18.620205]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/11_45788.b3dm"}}}