{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xde1ff7b950dd6bb55013bd1cae0e9f77bc29a1783d2c3371a763bfd38bb31eaa",
    "signature": "0xf39ab4d768c3dbf2f070ee8e8cbe7a9d7cf71d2dee0706860d41e7a54b35cf5e7d7c92004aaa165bce51dc8e611fd5503509fce27ef5881f5987e725cd6c6f401b",
    "signer": "0xCcA8985213E0E0B0878309EDB61edfFcB5e760BC",
    "userId": "476284737"
  }
}