{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544138",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1943929c87e3baac5fde4aacbcbfda2acf45e3865dd570316cfc40eb79b157a",
    "signature": "0x90e30bb019118d5f6f20f65457a318c18356b33bc3e117001641fe60adc0b76d76455a85c4546bc243ca516cd5486b6935c07556c9a9f54e40560af04f92431b1c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}