{
  "manageEntity": {
    "action": "Repost",
    "entityId": "355871417",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaa9c55712cac1534eac136d4fdc9290f6b0d633898b514877a89ae94dd5d0502",
    "signature": "0x268c2137bec884cda10268e7a43cf5624f5a175cc37eb356a30dec2d5b2b1be039916e32cc2a8b0a8c10f20760244c9238fc641bcd1db8f21c0f8d6c50a309221b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}