{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858186,-0.513338,0.000000,0.000000,0.262955,-0.439602,0.858839,0.000000,-0.440095,0.735740,0.514785,0.000000,-2809477.059879,4696816.632841,3264287.146541,1],    "boundingVolume": {    "region": [2.109784,0.540694,2.109949,0.540820,0.000000,77.369233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_435974.b3dm"}}}