{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949742,-0.313034,0.000000,0.000000,0.174948,-0.530791,0.829249,0.000000,-0.259036,0.785914,0.561462,0.000000,-1653915.194480,5017965.923005,3560864.912047,1],    "boundingVolume": {    "region": [1.889105,0.596067,1.889259,0.596235,0.000000,12.781498]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1434916.b3dm"}}}