{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225838",
    "entityType": "User",
    "nonce": "0x763c133fe064b844e1cd2c1dbd708390b7c9a4a52bda5d79768f4d831f89823b",
    "signature": "0x80d5e883e20173a705ad9f2dd886cb7a160bab7d6c88c156fcc974f3061a381d0e6931b90e597a0e4cefc2fa0aff737f9fd04268cd2c1b97274c6ffc570884241b",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}