{
  "manageEntity": {
    "action": "Repost",
    "entityId": "510903",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4153ec9c51a9368258754abf3500466ce570bdb3201b8a29e022b6ddb503ee40",
    "signature": "0x236d21ed574f09079fd5aa5592c32c402978b016f043d77eb4fa3cd64b4202cb454b78075a244665839570730114716a2d18fe023908500571010f1c91877b701c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}