{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895912,-0.444231,0.000000,0.000000,0.283876,-0.572513,0.769184,0.000000,-0.340755,0.687226,0.641565,0.000000,-2176385.641465,4389275.734848,4070207.022602,1],    "boundingVolume": {    "region": [2.031057,0.696483,2.031166,0.696590,0.000000,57.944838]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_618947.b3dm"}}}