{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897639,-0.440730,0.000000,0.000000,0.285528,-0.581537,0.761767,0.000000,-0.334785,0.681859,0.650374,0.000000,-2138334.337754,4355163.645935,4126252.665409,1],    "boundingVolume": {    "region": [2.027133,0.707963,2.027284,0.708191,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796971.b3dm"}}}