{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x65b995844a4d71aea8a63d67ce11d9445ffa9fd62aa083a2ac6aa034bf4b4450",
    "signature": "0x8121be663805eef0b978c6aa74dea0a1e64120273b1abc81f20ed3ba43c9ae4267ecb44adcea1c4c6da3454aaa693bc443bc69f021447ee279822ae7a38523301c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}