{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951281,-0.308326,0.000000,0.000000,0.171125,-0.527975,0.831841,0.000000,-0.255946,0.789671,0.557595,0.000000,-1634157.126081,5041878.781403,3536289.118354,1],    "boundingVolume": {    "region": [1.884175,0.591442,1.884283,0.591529,0.000000,8.254466]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/51/40_1382856.b3dm"}}}