{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942960,-0.332906,0.000000,0.000000,0.186453,-0.528129,0.828441,0.000000,-0.275210,0.779535,0.562658,0.000000,-1757188.210650,4977259.103123,3568471.984457,1],    "boundingVolume": {    "region": [1.910117,0.597558,1.910242,0.597638,0.000000,8.815527]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1287351.b3dm"}}}