{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894486,-0.447095,0.000000,0.000000,0.285011,-0.570210,0.770474,0.000000,-0.343533,0.687292,0.640012,0.000000,-2194108.416292,4389666.160435,4060325.341011,1],    "boundingVolume": {    "region": [2.034245,0.694451,2.034379,0.694576,0.000000,36.586435]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1137754.b3dm"}}}