{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x14862aec65b183ec69a16fba39a0944aa19f44be572da950ba818152e9b5d156",
    "signature": "0x8de90d77a79ec59782a6bd15b20fadfa4365b72f018fba5d2c78dd8ace735c77697e5be5a77800948653ce8594b6f6aa2432a3a6cf3af7eba0efdaefa2433d5a1c",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}