{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896339,-0.443369,0.000000,0.000000,0.283752,-0.573650,0.768381,0.000000,-0.339737,0.686831,0.642528,0.000000,-2169886.525436,4386767.311851,4076335.326762,1],    "boundingVolume": {    "region": [2.030083,0.697734,2.030216,0.697853,0.000000,66.439108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_537091.b3dm"}}}