{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1545302441",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcbeb255eaaeaf63b1196dd5b297c6017f59a5f7ae9db56a6ff51be2d2af8d620",
    "signature": "0xd1573663bfb6b5f7e5195851f48b9e0323485f063dac567706ab2016f75d0824531e8504dd889d06cb24cd5815bdc7617493e86f3b88c537f92370da366407481c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}