{
  "manageEntity": {
    "action": "Repost",
    "entityId": "518432",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x819b4f04a632f93ebe6161612ea81ac2cc67dee6e0b5c959f82c1bf7f050306e",
    "signature": "0xfa8ec3e5c84121c211279bf1ec43124673dff762cdbfe100f6537b421c6a5603798c47ef5e64fe33582d340e3c13bbb7c75ba4bec3735dc6711bdce0bc3cbf3a1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}