{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895900,-0.444255,0.000000,0.000000,0.283886,-0.572495,0.769193,0.000000,-0.340778,0.687225,0.641554,0.000000,-2176530.641452,4389268.181939,4070138.095818,1],    "boundingVolume": {    "region": [2.031085,0.696469,2.031193,0.696576,0.000000,57.944838]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_618819.b3dm"}}}