{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842627272",
    "entityType": "User",
    "nonce": "0xd88835cf51747349317f1002a7de8e95d6621d9ed42e9e5ea8077141db1cd996",
    "signature": "0x9ec38e6c79df1f7b3c0dab8f9cc489e252db5d3f0f1e32cc470e7784f75c94f4352e2855246d855a31953d59f05f6bc6dc27f1383b94383fab696a17639fc9311c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}