{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1449710415",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x29bcb6b2626023a59ccba9d87180846c7872f7ad01b3d232ffdff07b52c6384f",
    "signature": "0x4af54b62a563fe46a61acc47f5085a3cab8d831d2dd3bf8ec99a6db5354b864b387f0cd740c9e19d622d48a8d4933c757f1fcb446a1f7da463c281bc7cd5d1201b",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}