{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944369,-0.328888,0.000000,0.000000,0.183982,-0.528287,0.828893,0.000000,-0.272038,0.781130,0.561989,0.000000,-1736931.927710,4987426.596144,3564219.234360,1],    "boundingVolume": {    "region": [1.905865,0.596752,1.905979,0.596826,0.000000,7.949318]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_129773.b3dm"}}}