{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944014,-0.329906,0.000000,0.000000,0.184414,-0.527693,0.829175,0.000000,-0.272974,0.781104,0.561571,0.000000,-1742904.064692,4987255.315720,3561560.451118,1],    "boundingVolume": {    "region": [1.906953,0.596226,1.907048,0.596341,0.000000,8.741555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1268632.b3dm"}}}