{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "494018536",
    "entityType": "User",
    "nonce": "0x9d0a502347bd56dd469dc46a884021b09581285c942c13bcac8e2ecbd68d7e34",
    "signature": "0x6e5b2a385cb39a03b2fe259119a5a59ff3c2d2df3dbf8b5824deb99eaa42fd8e036611ba8c5546058c25edde8fece6dfa8fabf98e94d173f3116a6d5fb4e8a111b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}