{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "312175667",
    "entityType": "User",
    "nonce": "0xde73e845fbded9b76a0fb236ba6aef00718c13a7e343f9ab1c187d6222d7342b",
    "signature": "0x7f10bee6b7b25df6bbe9ab3152458df7b54891d836b11c8a4de34a6d47a14b8671382c03be9648def442e3957c7add82d29ef4d66aa885aea734eb8c1ee794941b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}