{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951695,-0.307046,0.000000,0.000000,0.114662,-0.355395,0.927657,0.000000,-0.284565,0.882014,0.375597,0.000000,-1815855.347335,5628267.459671,2380695.034109,1],    "boundingVolume": {    "region": [1.882836,0.385003,1.882932,0.385078,0.000000,9.652007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/12/47_38569.b3dm"}}}