{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21740",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa54295467122ff3003a48ec51cc3023f264967f26853e7abb5c173c6b5cafd36",
    "signature": "0xc4fd3f9af83ac61485bf208ee47bf05129b4df2bae08873af4816244e3c3fcd15f81ff6c98db85211f0c3ed23e0503a87834fa4a54c1cb34c5b2ea3b9d86b0c51b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}