{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519224107",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x730620297060a221dcc5a11429ea637c3b3787e69ec5a7ff49803b50fc507940",
    "signature": "0xef10cb30c6aa401bb4e89d19fcce57ab0c3f996d7323a2f187e3b7d189ee326277f5f2e131f1b56ee553e5fe0a838e67f37d4f12c726eb9eb5627f03f877938f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}