{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948828,-0.315794,0.000000,0.000000,0.176344,-0.529839,0.829562,0.000000,-0.261420,0.785457,0.560996,0.000000,-1669131.180356,5015039.000567,3557907.141447,1],    "boundingVolume": {    "region": [1.892041,0.595477,1.892137,0.595700,0.000000,8.815559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/15_1181843.b3dm"}}}