{
  "manageEntity": {
    "action": "Repost",
    "entityId": "398506",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaf19f74c7ccc3531642037570184b48a87ce1040595197cad10beaa945cf8aad",
    "signature": "0x9e6b6cf1c8a14ca66f0872a3c9362b8e797778d1fb3d77958c04e46f4f3bdd2e39ee1eb42b4f1050d1e7096b73c686581abfe6c56d5dc87ae2c806bfc6b566781b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}