{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489426537",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1db00820da74156cb5bc64dbd4ca113031bde34c3f17c0519f27b69330b5e5c",
    "signature": "0xe7aa55df13ad9c4aa0cdc8ccc535e1b4d680d74949e832d346b2057bf16da78d29b300de0ed1f338865bae7bc0c49a5cc1b5c42dd98458e3e94e0d9b1030b6cf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}