{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949884,-0.312602,0.000000,0.000000,0.174712,-0.530887,0.829237,0.000000,-0.258675,0.786021,0.561478,0.000000,-1651610.917047,5018648.561667,3560971.674368,1],    "boundingVolume": {    "region": [1.888642,0.596069,1.888813,0.596274,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435677.b3dm"}}}