{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951518,-0.307593,0.000000,0.000000,0.115063,-0.355940,0.927398,0.000000,-0.284992,0.881602,0.376241,0.000000,-1818577.146093,5625646.258223,2384781.787210,1],    "boundingVolume": {    "region": [1.883411,0.385698,1.883506,0.385773,0.000000,7.756038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/19/57_35553.b3dm"}}}