{
  "manageEntity": {
    "action": "Repost",
    "entityId": "770473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x88f6e31344eb120b04e28c489b6eb80c653c699bf22922a5bea7ade03749edbb",
    "signature": "0x5f66fe72adf1ddf52588cb3136bf4f71bacf930943071ed1ea63cb6340ff021d2fd0dd2a0ab24c490dc3e35f681878d70b814d0a9455443c85c1b6da709502a51b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}