{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897633,-0.440743,0.000000,0.000000,0.283166,-0.576707,0.766307,0.000000,-0.336806,0.685951,0.645007,0.000000,-2151191.282200,4381192.040767,4092103.249503,1],    "boundingVolume": {    "region": [2.027159,0.700998,2.027286,0.701067,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_861839.b3dm"}}}