{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898127,-0.439737,0.000000,0.000000,0.283928,-0.579900,0.763610,0.000000,-0.334845,0.683894,0.648204,0.000000,-2138695.589046,4368114.072460,4112446.038266,1],    "boundingVolume": {    "region": [2.026036,0.705112,2.026168,0.705335,0.000000,19.091116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1844687.b3dm"}}}