{
  "manageEntity": {
    "action": "Repost",
    "entityId": "507852983",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1863b1c29eafb810b292883442c7fd6f15c09533abf7152858deef90d5de05fa",
    "signature": "0xcb27993b1ca414f1014b5e04aba0108f1f2041d685c6b560227faf410bb134c56e7869dcf4ff512bff11d469f1939cf97fd86cd072dabfcd849f123692e944621c",
    "signer": "0x3D4d8a781454E2338c482dE697d6DE1ACc7D9031",
    "userId": "599751364"
  }
}