{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898801,-0.438356,0.000000,0.000000,0.283090,-0.580444,0.763509,0.000000,-0.333749,0.684315,0.648324,0.000000,-2131697.805443,4370810.173063,4113209.496720,1],    "boundingVolume": {    "region": [2.024483,0.705322,2.024648,0.705441,0.000000,14.368120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843768.b3dm"}}}