{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949898,-0.312560,0.000000,0.000000,0.174520,-0.530381,0.829602,0.000000,-0.258756,0.786381,0.560937,0.000000,-1652119.441062,5020935.628847,3557533.273728,1],    "boundingVolume": {    "region": [1.888601,0.595452,1.888765,0.595583,0.000000,8.462699]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1354746.b3dm"}}}