{
  "manageEntity": {
    "action": "Repost",
    "entityId": "221387",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe052ad23c78102ca9ec9b178c367d052873c560daa8eb736a38fe19c3bf2719a",
    "signature": "0x5fe3ba781b1e7b76e283b5af724375d45a3b822e7fcaf24b345b6f4c60935ed4477e4a319b41a85306daa46c0ffe425f79d4e6d7017e09a5a72c8ee333fb89fa1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}