{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.890937,-0.454128,0.000000,0.000000,0.292193,-0.573243,0.765516,0.000000,-0.346673,0.680125,0.645947,0.000000,-2214222.658554,4344002.347493,4098085.898298,1],    "boundingVolume": {    "region": [2.042142,0.702220,2.042237,0.702306,0.000000,7.601053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_1683690.b3dm"}}}