{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950549,-0.310575,0.000000,0.000000,0.173478,-0.530948,0.829457,0.000000,-0.257067,0.786781,0.561152,0.000000,-1641339.570181,5023496.119461,3558898.970600,1],    "boundingVolume": {    "region": [1.886537,0.595720,1.886652,0.595834,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1424697.b3dm"}}}