{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1010239",
    "entityType": "User",
    "nonce": "0xa962cab5a56cc42e6c73c6a987e656749969578fbda8ffbbcad377171f2f48d9",
    "signature": "0x452d86957c09ebb6ff754f86785b86da128b3cdaf1cc801e612786c286a45dd816c219316d6f781848c715e99ac1f859e54ac9c24befe0e6fede20fc134a5b5a1b",
    "signer": "0x848B2e1D6032730FB1aBA73Ff65756496d132D3f",
    "userId": "7391189"
  }
}