{
  "manageEntity": {
    "action": "Repost",
    "entityId": "458290579",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb554054e7b89550acf242258adebaa9a22edb59700cff55d3d52c7de6c64ef6c",
    "signature": "0x1a41e67538457bf35a743e2a45c1bf7c2c9d52c047ccbb6420cade2e0aa35a4c23fa910549647d69f93c78f568a883c0b2277d6c52e22b11fd1df12171ccea501c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}