{
  "manageEntity": {
    "action": "Repost",
    "entityId": "423465",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x22f0e5cebb1033834212f1d2c3295a04fdb3b34d496854dc7819396eb4c82cf9",
    "signature": "0xa4bca89058269031504526126a7dd62f6fb483995a91c7f5b8feab281554772c42ac1d20c3dd4b35c73d5a3551687d0d0a86456f1bda1e25e61ed536404e02021c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}