{
  "manageEntity": {
    "action": "Repost",
    "entityId": "663768",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5cd8197773b0df8315f848b34787cdb5757be20725bf6a04578bef20563cc596",
    "signature": "0x70e4cc29c19431a6e3e5b82137e731933b9780649406fc928aa246ca9f9b032e58bf02db7b5ff39fc30d7ca6f8fc4a9362c92d801aac8332b00aa44ea60e30231b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}