{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896764,-0.442509,0.000000,0.000000,0.286858,-0.581331,0.761424,0.000000,-0.335983,0.680885,0.650777,0.000000,-2145993.032798,4348949.260872,4128813.021419,1],    "boundingVolume": {    "region": [2.029173,0.708581,2.029209,0.708632,0.000000,17.196656]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21.b3dm"}}}