{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457291887",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b6a1c283017da5a79489ffe91e23ef78154a61bf4eaa499753765c1d40f012b",
    "signature": "0x21099bf0ba2faef6299a2a54fb7fde6304ce58c8d4463f5594d63c5ca8f61ebd0aac951c40810af1b9cfc30cc3bd157ed9ed55c8483e15dafa8240add8862eb41b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}