{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896337,-0.443372,0.000000,0.000000,0.283769,-0.573677,0.768356,0.000000,-0.339728,0.686806,0.642559,0.000000,-2169832.278358,4386609.536062,4076532.656219,1],    "boundingVolume": {    "region": [2.030088,0.697774,2.030220,0.697893,0.000000,48.623411]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_537014.b3dm"}}}