{
  "manageEntity": {
    "action": "Repost",
    "entityId": "615464789",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x276f6402b6e51be6cf4a9dc5aacc11145080f172d82b8d3387c2325db69e1e59",
    "signature": "0x25de6d889a8a37fa717ae5ffd793483630eaffa8b0a0c9f6a35bad86463f391747042db2b41c8ad8a4dd2f3fe5c41e8370e29304ee5bc296f29a54311c09093a1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}