{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1107629426",
    "entityType": "Track",
    "nonce": "1791472053441142595",
    "signature": "0x81992d200f032c839cff0e73876c4482809be17585cf0614d0464a3f7238c7c22ef54713ba13a6e1948fd324041330a0ce082936483b252bbdd32ae770e069361c",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}