{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948469,-0.316870,0.000000,0.000000,0.115844,-0.346749,0.930777,0.000000,-0.294669,0.882016,0.367719,0.000000,-1880292.714933,5628167.511000,2330718.929638,1],    "boundingVolume": {    "region": [1.893177,0.376528,1.893272,0.376582,0.000000,27.324540]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/10_29931.b3dm"}}}