{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949899,-0.312558,0.000000,0.000000,0.174700,-0.530933,0.829211,0.000000,-0.258631,0.786007,0.561518,0.000000,-1651326.208392,5018561.796020,3561224.283900,1],    "boundingVolume": {    "region": [1.888596,0.596117,1.888767,0.596322,0.000000,20.649493]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1437558.b3dm"}}}