{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950558,-0.310546,0.000000,0.000000,0.173465,-0.530963,0.829451,0.000000,-0.257041,0.786783,0.561162,0.000000,-1641172.838153,5023507.875219,3558958.864553,1],    "boundingVolume": {    "region": [1.886506,0.595731,1.886622,0.595846,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1424809.b3dm"}}}