{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450190671",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2255cbc16b8e8a2d37de7914c22f2804a7551d6d05e24051f25da792c88887b8",
    "signature": "0x296f7b29000959023a99972e1332edc01905b3c0ae1501f8bf05751f9bc006540feca604f93476b611db730b092d37053756077e61b912e1c8eab1906d411a751c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}