{
  "manageEntity": {
    "action": "Repost",
    "entityId": "728373",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x040fdc7fcd8d524169a89d583fb35e06b578e64cb947a28ecd11a9b9ecf46b00",
    "signature": "0x3bf066663b2cb36c477b99513d5e0941c8208c909ec6b03a59d9f270f6e7029a0a9c126fb5ed080a5f2762b401c9396ffaf07e33e75f63ffc1040ebd74f6242c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}