{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xb8cb884eb89abcc736fa3983fc477b4763183a47f5f5afd4620f1c2fbf0faea4",
    "signature": "0xdf5e9824eb3afe7267058ee4f5ac7c6ddf6cc90ff4453efd306edfdbf135d99507bba86d4f8922eaf46bd815bf2e9c0b54d778aff9553e1843c5f6cd8ff226141c",
    "signer": "0xfd48E25E62Bcf2C3db9c370304207104a15056cA",
    "userId": "70113291"
  }
}