{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948867,-0.315676,0.000000,0.000000,0.176402,-0.530234,0.829298,0.000000,-0.261238,0.785237,0.561389,0.000000,-1667972.867130,5013639.344642,3560405.243010,1],    "boundingVolume": {    "region": [1.891896,0.596010,1.892034,0.596117,0.000000,8.751617]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1149134.b3dm"}}}