{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949313,-0.314333,0.000000,0.000000,0.175736,-0.530737,0.829117,0.000000,-0.260070,0.785433,0.561657,0.000000,-1660513.663867,5014896.818639,3562109.058098,1],    "boundingVolume": {    "region": [1.890501,0.596347,1.890600,0.596428,0.000000,8.665553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417313.b3dm"}}}