{
  "manageEntity": {
    "action": "Repost",
    "entityId": "407651",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7c0e75f6e36d743a7ec08902f1684a7a6c27de0666c043e26ea746b3be12850e",
    "signature": "0x2031d6055f42c6a6b8833df79b63d6cca15decd06704efe2330a8a7bed526a6562d114706380c99da21ff5e3190ecd53ec05cdd8082cfd441168c810be6149a11b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}