{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949337,-0.314260,0.000000,0.000000,0.175746,-0.530906,0.829007,0.000000,-0.259974,0.785348,0.561821,0.000000,-1659904.779443,5014355.198304,3563148.164353,1],    "boundingVolume": {    "region": [1.890422,0.596574,1.890524,0.596596,0.000000,8.095033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/8_1418305.b3dm"}}}