{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545424",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb3b15e8a20eb1ef610fa5983039dfb11d8c2a8e9c0d71224869c44387a7f81ce",
    "signature": "0xf4a449463b84127098b64e928edc3ee4f8bbaf94ec7614b4bff66ad23f2b7a82647cdb38bb7430bdc220ba16bf935e0de86ec40d0af186b1dea1b8c3b896426f1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}