{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852867,-0.522129,0.000000,0.000000,0.269382,-0.440019,0.856631,0.000000,-0.446469,0.729281,0.518474,0.000000,-2850206.246709,4655642.364452,3287719.910090,1],    "boundingVolume": {    "region": [2.120052,0.544980,2.120231,0.545150,0.000000,34.401166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/0_7888.b3dm"}}}