{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454664276",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8a77f5a84658883ae6c4522929885431f7d13a18be31afb499a13cad8c4368ab",
    "signature": "0xe4b5cddde04ddf5d70e1d50bc2b6155678f66a3647d9af65fc33cf7b004a5d7d2ac6a0282920d1cea758862da1fcfcbce5ab22969c68033f6c55af66afbb27f51c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}