{
  "manageEntity": {
    "action": "Repost",
    "entityId": "669888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3f7f82363caa6ad98dc4d61e70e69bdac63012fce2fce40f753ca29151703d6d",
    "signature": "0xa632fb2e1e4c4106df098d2aab300667f321e1385a28ed1fdc14f1d55967fcfb27fd2f42621b0a7f88f44cf100ef9ab2c84ab7bd2c059d814c893956b5dd582f1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}