{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603617",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x499498391d53032948d4a3cb00026ced7d5e4729f20b0dd17c73f6948db83d9f",
    "signature": "0x85ffbf23e64f1e7cb24a394d439c6fe166ee77b91e242ec70f52508bc3ad576a79716749ea3e5d8d2672b4d40e7c554d8551167cca0de627bedf9fbc65de909d1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}