{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895891,-0.444274,0.000000,0.000000,0.283931,-0.572554,0.769133,0.000000,-0.340766,0.687164,0.641626,0.000000,-2176454.732513,4388876.336236,4070598.111973,1],    "boundingVolume": {    "region": [2.031106,0.696563,2.031215,0.696670,0.000000,40.258738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_623520.b3dm"}}}