{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xac5f3ab21d8ce061467ab697dad670217f8517c533f85568c3c261f503b1b5a4",
    "signature": "0x4fc307c63f467da8b5519f342b249b1c8648ec9538fc92f2cc44ad9a70804f827d4e1b8720ac7fbffa0b46fd53c18c8d474105a300af32daf2d0f4524ef23c031c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}