{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950143,-0.311814,0.000000,0.000000,0.173855,-0.529762,0.830136,0.000000,-0.258306,0.787095,0.560142,0.000000,-1649241.954966,5025483.111778,3552477.859505,1],    "boundingVolume": {    "region": [1.887816,0.594492,1.887980,0.594623,0.000000,8.814051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1458409.b3dm"}}}