{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871415,-0.490546,0.000000,0.000000,0.211765,-0.376183,0.902021,0.000000,-0.441927,0.785046,0.434055,0.000000,-2820447.107349,5010290.553650,2751666.592200,1],    "boundingVolume": {    "region": [2.083457,0.448949,2.083569,0.449030,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_222025.b3dm"}}}