{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1573914474",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x01ddd76ef13bb9e37130be1f4c26399f0237f25dad993cb5310045cb4c57dcab",
    "signature": "0xfe499b2869c51f33129f29874971bfd98661bd8b0b6ffab5efff68bf68261a353d142a334327a989e706b8f297fc13c2cd3f64ae544e4cf38c5fd961b83cf0bf1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}