{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950609,-0.310390,0.000000,0.000000,0.173375,-0.530982,0.829457,0.000000,-0.256914,0.786831,0.561152,0.000000,-1640360.494151,5023815.660903,3558899.319674,1],    "boundingVolume": {    "region": [1.886342,0.595720,1.886457,0.595834,0.000000,8.762512]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1424695.b3dm"}}}