{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134861",
    "entityType": "User",
    "nonce": "0x3aaf76a68cd8a9f2f9fd524c37e694204c27f7b49a0c8c4eececa31274113a5e",
    "signature": "0xbaaeb9bc96d13cd45e059e4acd713371b67981c5d163e8d48aacc032f751fd2c637159a45d272db16e2f58d30850c5df63da9c4d19c098a2b926a80972d20a0e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}