{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x27d56432cd8dbaac0eba6e9ee38a24392dd9eadfdc89aab538525dcf9c2ffcbc",
    "signature": "0x6732668420347e53acbace84e7c903421a86e418c61f52c5dd5f008e6f09d11349661af6793a7b86ac687a12067c30a62de180e17ca4ed7f04985e2d4f353cb51c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}