{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949726,-0.313082,0.000000,0.000000,0.174914,-0.530596,0.829381,0.000000,-0.259118,0.786027,0.561265,0.000000,-1654435.549532,5018685.013859,3559617.954294,1],    "boundingVolume": {    "region": [1.889156,0.595830,1.889309,0.595998,0.000000,8.736648]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1351350.b3dm"}}}