{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950562,-0.310535,0.000000,0.000000,0.173396,-0.530772,0.829587,0.000000,-0.257075,0.786916,0.560959,0.000000,-1641387.154032,5024355.451278,3557672.003926,1],    "boundingVolume": {    "region": [1.886495,0.595487,1.886610,0.595601,0.000000,8.511767]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1451645.b3dm"}}}