{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0x67f47ba26811af587cbbb822d451675a05e98e865a014335702327b04386d023",
    "signature": "0x3874dad2eb2ac064bc96a3fc6cbf487516c70d637ab0beca098b33cdafc264541ea6d303bdebd07b2b186964e41f70a806f9a059bc9751bd9f24907e987853261b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}