{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949622,-0.313398,0.000000,0.000000,0.114361,-0.346525,0.931043,0.000000,-0.291524,0.883344,0.367037,0.000000,-1860221.333890,5636633.558897,2326391.089738,1],    "boundingVolume": {    "region": [1.889481,0.375697,1.889649,0.375947,0.000000,23.562126]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_32339.b3dm"}}}