{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951959,-0.306225,0.000000,0.000000,0.112715,-0.350397,0.929794,0.000000,-0.284466,0.884316,0.370221,0.000000,-1815195.327200,5642879.949573,2346591.656419,1],    "boundingVolume": {    "region": [1.881939,0.379187,1.882103,0.379308,0.000000,6.501951]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/18_44402.b3dm"}}}