{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0x5c217fe17ee566f9cada8b5444c75f081640d0d329e7a15c8c5e98bbde31cdb2",
    "signature": "0xe348983db057ae8f527d89b9293a13ce91405c26a95b8d69e2787c7a9d038538468725b5784d8f5d5ccb91199f65d33b76d08be948158ce691be8c3adc91d90c1b",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}