{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648490000",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaf6396aa4356678a46bd7c706f29cf98063b5dc10f8be639874355367e6e4ede",
    "signature": "0xd7b1179269631e9097ed41f89f44cbdbe28e69ee8429e3064c63a1ffc01560560546112b004e8ed438de6b53a179a8eabcaf8fd8a094b986a13975d26555058d1b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}