{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578833478",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x47c1662bb83765b74e0ce519b9a9e1f7d7e166a54f6f5e3ee3608ca0b30f7e38",
    "signature": "0x30129d0e74a5d1cf68f751e7377970f19d019827397477cf402431853c5f301c503f2a5acf9f06cf1c13a162b5af183a058fd7c109e6323fbc5817af58cfc1bd1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}