{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897632,-0.440745,0.000000,0.000000,0.283170,-0.576711,0.766302,0.000000,-0.336805,0.685945,0.645013,0.000000,-2151187.274077,4381157.946918,4092141.600184,1],    "boundingVolume": {    "region": [2.027162,0.701005,2.027289,0.701074,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_861904.b3dm"}}}