{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957849040",
    "entityType": "User",
    "nonce": "0xcf59f4c74c6cc16b631098b187b0304c1ee378fea753810f2e8e73168fe79983",
    "signature": "0x4a942a9aeaffeb704e662af992685402bac676c598fa9f25fb24918a17d7e1e057fb9a0196c85b0b3e5b9040b2f0dc97eee63ac47b29129fad0ae2b0f29e24921c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}