{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "756082",
    "entityType": "User",
    "nonce": "0x40724091b5030467fdadd076a3684f017017488a96bb1d51ebd6c4234c30887c",
    "signature": "0x2e9fb555d56091d15a5dfcbc2b2ab5441e880e656a25eacf824134383243d5b10bed99601557c89bde37940063c43026be5a040ad89d8bc2a50d1c4328792b351c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}