{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852978,-0.521946,0.000000,0.000000,0.269305,-0.440105,0.856611,0.000000,-0.446302,0.729359,0.518508,0.000000,-2849142.146891,4656141.535927,3287933.883657,1],    "boundingVolume": {    "region": [2.119881,0.545063,2.119974,0.545147,0.000000,65.112233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/1_3509.b3dm"}}}