{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871422,-0.490535,0.000000,0.000000,0.211751,-0.376170,0.902030,0.000000,-0.441920,0.785059,0.434037,0.000000,-2820408.387518,5010377.349998,2751549.027469,1],    "boundingVolume": {    "region": [2.083444,0.448928,2.083556,0.449009,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_221428.b3dm"}}}