{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951864,-0.306520,0.000000,0.000000,0.112612,-0.349705,0.930067,0.000000,-0.284824,0.884491,0.369529,0.000000,-1817479.255213,5643982.860202,2342196.855481,1],    "boundingVolume": {    "region": [1.882249,0.378441,1.882413,0.378562,0.000000,27.454553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/11_46262.b3dm"}}}