{
  "manageEntity": {
    "action": "Repost",
    "entityId": "876839629",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1cd7b6422db442b8d2121427272d6f603a15d2143e9bb2faa77225ed72cc4cb0",
    "signature": "0x3d8ffa151cfa401bc4ecebca51875217999b6af694e02cd88eb089ae2af4fa8a6fde9fdb71ccd98c3289704e62bc2e0aef8ca7c96ce369092121f767ae776f0c1b",
    "signer": "0x4A3D09CdfD42dE4C57dc67B09a40B5d9172bD69f",
    "userId": "787102835"
  }
}