{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399516896",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdfc74c7c3ab243124ca5885d998e1bc26529e4f9dc3390435eb723c1964c5ee2",
    "signature": "0x33ff74e1bf5c785112e2d18ac298748c8efeb67db3300c9d9e8739a5f699881534340092a6f3279512d0bc7b1ff278b0d57b4bc0e5e77dabba45f49a14ee165e1b",
    "signer": "0x730D61884359389d8aA22afeF2b83FF4F7c9ee63",
    "userId": "342017819"
  }
}