{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948888,-0.315614,0.000000,0.000000,0.176366,-0.530242,0.829300,0.000000,-0.261188,0.785256,0.561385,0.000000,-1667650.871789,5013763.610005,3560381.249577,1],    "boundingVolume": {    "region": [1.891831,0.596006,1.891969,0.596112,0.000000,8.751617]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1068303.b3dm"}}}