{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950173,-0.311722,0.000000,0.000000,0.115367,-0.351654,0.928994,0.000000,-0.289320,0.881889,0.372244,0.000000,-1846181.635937,5627419.020324,2359424.112685,1],    "boundingVolume": {    "region": [1.887764,0.381418,1.887839,0.381433,0.000000,2.524591]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/15.b3dm"}}}