{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1451576778",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x385fd2497bb6db76f1bdd71890ee62c1e5e41e50ab0c0c5ca947d632ad6b3e68",
    "signature": "0xc4e8cd9b3e1a36f6e7a7b10536aad70889086816cb888635a748c106234c5d832359c7a26e070da28fbada97e078e4238ae6931affcb5bbfdcd4d0998e55cb351b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}