{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38114630",
    "entityType": "User",
    "nonce": "0x25f5f4c1d89919fe3e78889274afeace61119016768446e378817f2fc98314ef",
    "signature": "0x8a941592ff75c827a77e801405a889bdf01cf2996e46cd419a7be9d6f4e6077634b5682ddbd71925708e6786296aa07638011090bbf6c2e67bb97d8a6e1e4ced1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}