{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852862,-0.522136,0.000000,0.000000,0.269395,-0.440033,0.856619,0.000000,-0.446469,0.729267,0.518493,0.000000,-2850203.619242,4655556.071961,3287843.547409,1],    "boundingVolume": {    "region": [2.120060,0.545003,2.120239,0.545173,0.000000,52.734966]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/0_7916.b3dm"}}}