{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17353",
    "entityType": "User",
    "nonce": "0x419ec756da739c6b3ee66c8bdedd4dccf6b5d24ded063fdd950a648bac7748ea",
    "signature": "0x7b00ee3ae3c61e276974596344b8ad2fc9c7e3078f59f8504a604c190fe8d499140f7bb9cbb71958f4d1f276833dc5d11379188ff9de4d958e624d53c977bc771c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}