{
  "manageEntity": {
    "action": "Repost",
    "entityId": "556074438",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6f6a3031bb217c3a542ba8e3f0bd4c24a266e4c662fbfce8dde79d5fb6c420f0",
    "signature": "0xa403dd84fe56fe29ece800cc0c0376615a7badbbb84f4f20a6e212be5c757b0668c679d95b360c3bfa5dcd20c0df5ffc6c62ced455aa2e434ee48d08f3deb4791b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}