{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448629",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x04e175def9af1823478fe24d0280b19688b552bcd18ffaa4f261ce8a9c770972",
    "signature": "0xa3267031b20e2957ff16e28bddb72e413e338ccaca612fff22607265fe8f5ce5686c99493c7d0958e29fd1348be88fbb27299b6339deea79922a3f48e3a4390a1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}