{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619201639",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x968dda191fff1cee364abb2d57638301599cb60f289bee1eeb227df59fe7be3c",
    "signature": "0x220e2c1e0eb25f0ec612278eb07f695d93c0213c4a8170cacd335db768571199117cc2c56f02a789b726d8186b816e5a7dccec44351d594c3fc1652bc5e4fab41c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}