{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x6fd4b0462c682722de30f82f33933a9d74a75d356bf0c4a342bfc5b2b8ada38e",
    "signature": "0xb2ffb97291d557d706844497809f71d9618157c28f15a79529f0a9bbdc7e9b672ea4c0462ebbcf5bb361f421c53290decda6bd7985325a252945b7cc869cfdde1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}