{
  "manageEntity": {
    "action": "Repost",
    "entityId": "637450452",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x323dc7cbf270e1f9648a622b2b43933eb6c6c47e7e38f8b73a52df3cd05a92fb",
    "signature": "0xcfbdc1743d1958b7804c45722681f4c2e515f45385af44856141e7b0e63072981f5a8dd0cd9e43d97bab204a7a4cbee92a2cb6e8e461d040b3a11cd3909aa86f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}