{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6bac673421d53411c80ed8bf13bf0c8a2003596b1f35e463ce553e8a23a73390",
    "signature": "0x85daeddf3ae39fd38923318c2ff5f1d5b059bf984027aea3bca7025d1822f91c3c2924dd8b2d911d13d04cadcd3f2a60aa8bc8cd1706e6d91a2b6854064c49721b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}