{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1521370655",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa9f37be7a4631eaffc437e4e389f306eb8f598b53b4bc546ddd586810841398d",
    "signature": "0x87b9b0ab4061861780adf644fb531f4a6379773aec024460f68895212adc52692be570d74b494090e8704d93e70b3cb483f788f89e67eefc82bf2044856c143b1c",
    "signer": "0x1642AB480EAD0cea9776277347Cbd3e5Fe9889f6",
    "userId": "711757920"
  }
}