{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74011",
    "entityType": "User",
    "nonce": "0x9d25fffea673d7ac39adca80ad4dc4c1009a17b8b1e03ded3fc69d5cfd26a42b",
    "signature": "0xabaf0c2082f138ee9c54fc73deca1b09031934185a71eb79e28215b44e773e31603e16cd18f9dd180f784ced1efcce22f0a42a280e4efb453a8096ef8d1f04351b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}