{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1388904728",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb56495630807b8768dbe4581919fc4c5f93369d0202400ad4cabeb4d39e575ca",
    "signature": "0xd9426b5e4ec851434586da21a226d13a896e7a255c95f38e2528eca687a1321c2abbe0091065b2e9d2dd7c3389001f6d353a8d487089f7beb88c75bfc0fa3e671c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}