{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159450",
    "entityType": "User",
    "nonce": "0xe7079af637fdaa401657aa651fcb53597207e3dd0e4acb19c49bf1e0a1260872",
    "signature": "0x3c6401a09ff36847b9830b5f4ab7186cb67b3b6c4e01f4a1237f8a76c861664f034cbddf52bece55a4cc6c8529f0cd82e520d7ce8f0b400231bab6b5b539d2fb1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}