{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950597,-0.310427,0.000000,0.000000,0.113816,-0.348531,0.930361,0.000000,-0.288547,0.883596,0.368780,0.000000,-1841232.795126,5638263.751636,2337445.824066,1],    "boundingVolume": {    "region": [1.886417,0.377673,1.886460,0.377719,0.000000,9.758740]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/19.b3dm"}}}