{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951629,-0.307250,0.000000,0.000000,0.115232,-0.356902,0.927007,0.000000,-0.284552,0.881329,0.377213,0.000000,-1815777.509519,5623916.085532,2390946.322823,1],    "boundingVolume": {    "region": [1.883016,0.386733,1.883180,0.386836,0.000000,6.396567]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/15_63101.b3dm"}}}