{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897634,-0.440741,0.000000,0.000000,0.283164,-0.576707,0.766308,0.000000,-0.336804,0.685952,0.645006,0.000000,-2151180.739551,4381201.529859,4092098.663132,1],    "boundingVolume": {    "region": [2.027157,0.700997,2.027283,0.701066,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_861830.b3dm"}}}