{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449792296",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x587b595f990e8458a533702a50d011be4238200071b5a7f466db39512884e527",
    "signature": "0x494264431df18f4d89b79bce65f26222c70334fe54ba7d8512960988857dcbdf003e0db2560950717c79742a2010c7a944a11fea452e600cdd4ff6e273e48d201b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}