{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757104",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x56d6d52373bb44d03019fe13cf1074eafa7e59b371714d78de8567d89fc4583a",
    "signature": "0x2797be3d53a0c8647d579fb3fc00189e1818301a8efe0b3971a3ffee63bb3ae646534f30babb04252bf88121359ee04b7d522d389853db058cb8fa4b81bf87a41c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}