{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.889498,-0.456939,0.000000,0.000000,0.287062,-0.558807,0.778030,0.000000,-0.354567,0.690216,0.630780,0.000000,-2264496.430064,4408168.864830,4001601.734791,1],    "boundingVolume": {    "region": [2.045297,0.682521,2.045397,0.682595,0.000000,54.319055]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/1_521002.b3dm"}}}