{
  "manageEntity": {
    "action": "Repost",
    "entityId": "338037808",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x106aac1420de7d0877f0c42d86b61768f15c5e12cccf7c237c33edc8ac216a46",
    "signature": "0xae7fb4511313a8168ceec0ca4a723ecf028b69be6b7db4429bd1b742d10978895ee0f313a38105c46879dd4d43d72eb6838f54754dce1cf52b07c524b05b41151c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}