{
  "manageEntity": {
    "action": "Repost",
    "entityId": "773165918",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb770b1d01b4a0c835b5ca7a56e51cc1885d6eda2bc1549a66dbd6c33e65d170d",
    "signature": "0xe89ca2dc0f7273c12bcc0b27fda132d709280cf44de0de2dcb120458da190f6d7f41208e2f16204b4ae76c79a3cf42d639eac2abcb2ae80d6406125f567cf0b51c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}