{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894815,-0.446436,0.000000,0.000000,0.284606,-0.570450,0.770445,0.000000,-0.343013,0.687519,0.640046,0.000000,-2190791.303062,4391118.186213,4060544.931433,1],    "boundingVolume": {    "region": [2.033508,0.694496,2.033642,0.694621,0.000000,51.199289]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1137890.b3dm"}}}