{
  "manageEntity": {
    "action": "Repost",
    "entityId": "408895296",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd6a857b10e71212d6b503ff36439f4119c58c75d0a468c770e41f6fe39c64aa4",
    "signature": "0x23d9624bde9a7bdbdbaf608a05213147b37c17c9f1e46abda3ef6185bc19fe0b2a20af6f545f438a81d37654458950aaca0b921be2c330ebda6ddad12803ad0e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}