{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950679,-0.310177,0.000000,0.000000,0.173508,-0.531794,0.828909,0.000000,-0.256566,0.786364,0.561966,0.000000,-1638145.663573,5020847.987703,3564068.857021,1],    "boundingVolume": {    "region": [1.886093,0.596676,1.886258,0.596845,0.000000,8.799913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1395179.b3dm"}}}