{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174580",
    "entityType": "User",
    "nonce": "0xe993cde0a10ecfd2b0cd43b78bd824cf662bf9286d90bc37bb3af8eaf5382f09",
    "signature": "0x173512527f7330abe124a12837e1c00c50efd02a7fd9c74b3249a4aeff057b5b576ae500bd623e50252e9840299704dc70b25b1a083836f50046e4ebfa83f0501c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}