{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399489092",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa566ac94d94aa967991d9fff4c815cedccc867254f6c46f63d1a9ad6a9329890",
    "signature": "0x6a3436101b008c0cc6751ec4a07830d2a5e46a7d4dcedb227c2415ba52db15c81383f234774d48e3074c67b0c19e732b24ba77266008dbf5e5a078a551f2e1061c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}