{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897912,-0.440174,0.000000,0.000000,0.282567,-0.576408,0.766753,0.000000,-0.336568,0.686566,0.644476,0.000000,-2149667.194448,4385113.654974,4088724.994460,1],    "boundingVolume": {    "region": [2.026525,0.700303,2.026652,0.700372,0.000000,13.719550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852031.b3dm"}}}