{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894736,-0.446596,0.000000,0.000000,0.284743,-0.570470,0.770380,0.000000,-0.343107,0.687399,0.640125,0.000000,-2191390.069999,4390351.343310,4061047.614578,1],    "boundingVolume": {    "region": [2.033687,0.694599,2.033821,0.694723,0.000000,58.913820]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_984400.b3dm"}}}