{
  "manageEntity": {
    "action": "Repost",
    "entityId": "508618",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x117056daca9fcf94ec9972bbb2cb74b386ff3c018d69598e375863bfbadec116",
    "signature": "0x31d5cbc74840bd8e538c6a4a4e56bf04064b8af56beecfa1db2860d5ebe3e50621ece9569d9e279c8ab471311615d6c275a0af1be4fdb44a11e51dfef74211eb1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}