{
  "manageEntity": {
    "action": "Repost",
    "entityId": "771990905",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x66596c206f072a85af79d8dbb0f5e8abbf48a7c4231bee45f8566ec7056808d5",
    "signature": "0x807f6b6e70d1eb33a2aaefa63ede0ed227bde16503a4e8a61aa35f6af4592b5644e2516d4e0cd3086095832088081852941092cbb3dcb2fc26cbba5e829ec8b61c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}