{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516394289",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x70f93fe17f430daa3d7e50d01859a6faffeae3dc054e3b96e3917e13732102a5",
    "signature": "0xadd016013ecddaef264b237095c1fac029347a1141ca4bee15f9990329d04b550f31545bfba7ac8f3cf28d477e27fd5fe9c3eee9903ddee40649b55e31085cbe1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}