{
  "manageEntity": {
    "action": "Repost",
    "entityId": "629403",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x04caa07710acc5950f876015954753066070ac813eadf2e3520526393bf52f4b",
    "signature": "0x70c9a6bd0b1835cd02c0ab22ec7bd140ef9826e17d361c6678398132cba8fc9b61f8fda0d9655c5090a9a6fa47a729427c539831d24ee8c0d127cc19ed3e34a01b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}