{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1474035803",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7bc34c0856544d0092b2a7871bce438f50206eae4da80e49d07643e02cd37e6a",
    "signature": "0x0e1eae249cb1c2a6bda7df72d478c593a5924098a39871dbe4956616a34fdfe72ddf9d406620e849e2c6bdccc14d6af93749d4aba8185c58ad685016af33a8121c",
    "signer": "0x1F9dC682fadBAc94c0Dd4ca2232a3f490704a737",
    "userId": "737872723"
  }
}