{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895645,-0.444769,0.000000,0.000000,0.284249,-0.572400,0.769130,0.000000,-0.341145,0.686973,0.641630,0.000000,-2178871.477729,4387657.672411,4070618.845131,1],    "boundingVolume": {    "region": [2.031652,0.696562,2.031774,0.696680,0.000000,62.689333]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_686967.b3dm"}}}