{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893940,-0.448186,0.000000,0.000000,0.288816,-0.576065,0.764679,0.000000,-0.341760,0.681666,0.646940,0.000000,-2182854.309542,4353862.865731,4104402.808371,1],    "boundingVolume": {    "region": [2.035449,0.703483,2.035614,0.703646,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870829.b3dm"}}}