{
  "manageEntity": {
    "action": "Repost",
    "entityId": "840206",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd7c3513e1fb7d4c0f75ba9d0b13344da59481cdd26dc573ecc958eb826379e0a",
    "signature": "0x93a616d82ff828acf434617ba514455e33d10d7f21eebf208ece9d1e4a131aab313ccebd4cdc1bec7b86363d0f4a02b9a0c3e48e2cdb9f57d22405ebee02aaaa1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}