{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604148143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x55555d670c570fd729a91e065dc0c0f2068ebcec90d742fdd0352cbdd4135f28",
    "signature": "0xf639b77a59d96ee1738971507037617aadae2f378e7c03c1aacee3ce3441c4be4f56be414fb300e731baf6752745e93226322a16409d7b5d1f023c8888ec40f01b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}