{
  "manageEntity": {
    "action": "Repost",
    "entityId": "343770",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1bd0578444a49cf8f6e4be27f10b928213db4420716cefa55be1ddaca9282b6e",
    "signature": "0xac4d4d351af2c3fe2ee4c930a8fc5120f29b3ea03ea853d1685b577ee89d51130dd37652063e3b5c9a504cbf4a40e76551716503614e17d6fa5cb9e0b9855e461b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}