{
  "manageEntity": {
    "action": "Repost",
    "entityId": "42738835",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8047858ef2b57cb49692d7cb29c6c9eb23490a2d25c3048474c54087a7860a5a",
    "signature": "0xfa98e1ee96bf799c8832518be348914845548a9f1c4b918f65594c2f41f727c602e8745f1353262a29e24dd69ed61e42c417fbb298a63bc65255378e6292070d1c",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "301637"
  }
}