{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xc5eb0c34c8392f42b153350995233f53b5ceacde24e34eb2650c9c3e88f4abae",
    "signature": "0x7fdab8f0b982f23434f6d911796f2faadc0315f5ae7bc8a48c007f095971db7d123c483d057fa81b600939d3957ad4b4fb8fad06980d85e0924c9d85df968f3c1c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}