{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949140,-0.314853,0.000000,0.000000,0.175627,-0.529436,0.829971,0.000000,-0.260771,0.786107,0.560388,0.000000,-1664985.860291,5019176.297155,3554039.261997,1],    "boundingVolume": {    "region": [1.891051,0.594758,1.891146,0.594949,0.000000,8.765402]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/27_1379049.b3dm"}}}