{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948991,-0.315303,0.000000,0.000000,0.175955,-0.529584,0.829808,0.000000,-0.261091,0.785827,0.560631,0.000000,-1667030.221379,5017392.923384,3555588.272671,1],    "boundingVolume": {    "region": [1.891524,0.595053,1.891619,0.595243,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074463.b3dm"}}}