{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857973,-0.513695,0.000000,0.000000,0.262957,-0.439191,0.859049,0.000000,-0.440509,0.735738,0.514433,0.000000,-2812117.562447,4696800.752465,3262050.625889,1],    "boundingVolume": {    "region": [2.110200,0.540284,2.110364,0.540409,0.000000,45.202033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_388374.b3dm"}}}