{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x442dcfa1ad79431d566bbfade9d2270f6d1c3fc4168b34487572d111cb4344ce",
    "signature": "0xceec9b8707b04f08d4f0d4070a7eabbcd5c7550232ef04fd1ecdb1ed761ff8f562ab033af398a6bd44796d336ed36443af98972f5e809b7c2c905d20804fd1ac1c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}