{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950881,-0.309557,0.000000,0.000000,0.116571,-0.358076,0.926387,0.000000,-0.286495,0.880040,0.378748,0.000000,-1828179.339129,5615713.794034,2400689.208996,1],    "boundingVolume": {    "region": [1.885510,0.388433,1.885536,0.388453,0.000000,3.615325]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/15.b3dm"}}}