{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4a1a948515f02ba51e371115898bf55fe5a372e8e52407720432c43c69cf2be1",
    "signature": "0xe186b57a421a96bd1d065bef83d7d73446713a09bcbc85b85682042834010ae93d9a76b842aa63ad9f7c62251c2b9e2086f1c845ea69489adb89e47fa5530ab31b",
    "signer": "0xDAf93e043ae526Ad91Ac6D967d3a86ad938EB222",
    "userId": "912143328"
  }
}