{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1515873555",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x643a4ec6370e7e7403a6a0daf9dc732626fcde83f02eef7fa35108cde551898c",
    "signature": "0x412e97b5dd67ff487fb8cc9fdd2d6a614ca421e9c10fa60691ba7df497fb37b03137734824f6ea3cda65abc73d646a06128537fd354937ae75d340bc7898950c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}