{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950203,-0.311633,0.000000,0.000000,0.174213,-0.531194,0.829146,0.000000,-0.257845,0.786197,0.561614,0.000000,-1646308.391104,5019773.086194,3561836.130358,1],    "boundingVolume": {    "region": [1.887638,0.596231,1.887776,0.596440,0.000000,8.482455]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1331656.b3dm"}}}