{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1557486305",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x988d8f312fe247d8c28124ba3e06f1750438bf47e1ae1761472e5c0930e49c0e",
    "signature": "0x9cb07bc8bdb511b3e0b8315d7a51824ec4132e88bccf884a771a315dcc0221860a7c70e80678b566baed02552bfba477c31967674a3eb08a4e824742bc4542ec1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}