{
  "manageEntity": {
    "action": "Repost",
    "entityId": "498796",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4e841e0a0d36d71ec69705f9e4f54c4c9c1e43e83b3928b4630c03bcb1d1f822",
    "signature": "0x2890af3700fd47612b6018cdd20f44733772b095b42e5f7ac170a8a943b0f08636a6d9dee46dd71627881920d1cd7c20d838679c2794517de9bae6bdd46f5bc91c",
    "signer": "0x45C74e4f36E4e5064C5321eeED3748fD52B04eA8",
    "userId": "133970929"
  }
}