{
  "manageEntity": {
    "action": "Repost",
    "entityId": "290128",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa6b47dbecc6b6ae883eccfb7f885c6e9927d2dbc73f7a1933feadc404ab107ee",
    "signature": "0x910bce506210e8f2442a3ed4fbd4c40c6a6b66381577b44de6c1eaf7f2d9dbfa12ce413330da47c7910c4dd2261eedc772df0f5500d97e81799dfcfdd90921f41b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}