{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xefc463de6b7146038a7229ec48483276e7ce6fc869fbf7661b1a3aee3d730b9b",
    "signature": "0x670ecea08a55787acb30167d6c151773d232ff4a4fa40c7579898b7dcec6356f0517aeba9675db89c18ffc3a30519f784288c85157af8cbd17dac8188ce39d2f1c",
    "signer": "0x27609BC626925Ca7Ad67E81Cc93873144a9A2d7F",
    "userId": "372512426"
  }
}