{
  "manageEntity": {
    "action": "Repost",
    "entityId": "899789441",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x54caccd58ffa447dc755c3c7b731e436fcf98a94b85682e9e47ab4314c680952",
    "signature": "0x63706d4af410fcaee5442c05a2ad54377c50579e7d6d9c8844f489438ce301500b6a6cfdd57a42f3536983da9b4fddf08b560da2628c5d0a3bdec4d04eeba10d1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}