{
  "manageEntity": {
    "action": "Repost",
    "entityId": "458290579",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x55f395616cb5aea3a92700673c7bc2a3f154f4fd590c09f7fea43020fcd146c1",
    "signature": "0xec4a475930a00b7aedb13cd6ef1267fd4e70d7d1820612d80186b82fb2d276896feef545ef7c496d3f68af0824cc214406ef8b65244f2bc6eef87002d3d1c44f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}