{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657595",
    "entityType": "Track",
    "nonce": "1793332880043991332",
    "signature": "0x760823e2fd2711e299390b5f7be0b1e664a1f3302042e39ce3db1d57cb8517455dfd46a9a827c1ef37b963500320328bf9d3529799dfb1e0726eafbdb2c2f2dc1b",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}