{
  "manageEntity": {
    "action": "Repost",
    "entityId": "815536419",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x40bfc9ad81cd4e31409a01469f732ea6f557b73da6275d6041f3958a26df2bdb",
    "signature": "0x7e35a42a5b8d750e24ea635505f0712f0a67a566e56640c57b222c150ea34cc7606f3908633c1cc711006595489c76c1664addba759b5bd4b46407cc8a3e10201b",
    "signer": "0x4dafC3e774A1033C5604372f17ccBDcE545f478D",
    "userId": "889450527"
  }
}