{
  "manageEntity": {
    "action": "Repost",
    "entityId": "350273696",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd4b6b8c3166cc937b65d4054937fe3c18f122124ed73e3fd7dc93c29b1f58f69",
    "signature": "0xf84b9ac5e87df6fc4bee446891170cef381065fb95dd602c7cbe595e13b4e66c64c15e3ac52798c9888d5e4e936e72cf4e5daabb2b670f892b9cfd8ede5f5bdd1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}