{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428423",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x31068decd002934275d9652c2da368a722971f173db9c0a1b34c6aee440b2bd7",
    "signature": "0x64aaf8df5ad7da1f2c3872965469abb0b796e57e13c3396d9f411981a5d68556668f300b6482abf60a88786928a0807fcfea50238ebfaf4bf995f2c89b06ba1e1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}