{
  "manageEntity": {
    "action": "Repost",
    "entityId": "143350978",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdad86981c864d6460d6f9091f34f7e9d4ae7fccfd9eb8a3784f97abf3149e810",
    "signature": "0xec9f0373e16bec9ef818f797cca11c75b54fab47665208963f5fec8b6ffb746a5750e60a5c9b03fbdd430eaaece859848da1cece5a57901762c18746be5239b31c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}