{
  "manageEntity": {
    "action": "Repost",
    "entityId": "858765521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x23f33b16c2a3668f70009b28ece60c672c5c472b6aae7b0b66514bf09cf97cfc",
    "signature": "0x3404ca4ba4da57860b1c416699ae1eb701ca3b460b7f659caff05737cbb766176fe9568d87c718925d25ebe12e7dcc9fd469b26628b5651f1065b85a9637e1eb1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}