{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643105983",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbc1aa6e9b04e9570f59b610da7182e1717b0fcc6ff39ca9dc4ec84301ad1e484",
    "signature": "0x8b886d46f4d0075ec1d039407729eed6e57cbfd7a44b637a52b7c59dee1029bc70308b337c0689cfbc3b51bb9946512af780c12fa9785ed75e985bd6e2b7eb491c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}