{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2824",
    "entityType": "User",
    "nonce": "0x4523fbd14fda18bbd3da3040d9013bb07c4916d53e3be84e6b694711377277b6",
    "signature": "0x02367a6503d086c3cd321a11e3800675ca127a9c695f001c4f324e1547a7a59e4f4d9b65c679e560ab246fe6f0395b4f35637141b949e55203cdf6e52699c62c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}