{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950528,-0.310638,0.000000,0.000000,0.173397,-0.530582,0.829709,0.000000,-0.257198,0.787005,0.560779,0.000000,-1642172.468466,5024916.913327,3556524.175316,1],    "boundingVolume": {    "region": [1.886657,0.595314,1.886665,0.595337,0.000000,7.750443]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/8.b3dm"}}}