{
  "manageEntity": {
    "action": "Repost",
    "entityId": "613578129",
    "entityType": "Track",
    "nonce": "1789144797535990700",
    "signature": "0xb4704b239a95695cc0af642a8bdb56546ca88dec0e98a80786fdcfa3295b440d636bd0041dc944d275d245fc6e8b2916e17e3d543eb7fbb0a95d0b198d7879b41b",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}