{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x2b387142dc6fc5f1e9287c631b421a705c4f26527600ea1bfee1e64b5b599090",
    "signature": "0x63b5fe27a7d992f3d0ae0f5c7717dcfd76acc29e43378bea8a594144273ab69957130862bcc358700132b881e74035c3dc1168558a032d5a3851853cfc0c165f1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}