{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13618",
    "entityType": "User",
    "nonce": "0x6104613636557ba9477b0c0657dfbacc879cae94c029ec109f8baa47259e568f",
    "signature": "0x9cfd4aa999c7aac72ab0097ec88f52708161bb68aa5ccf9bd81f8af1182b076c04edd917767d70d73ea1bdf664ab8abc4ef48d55ca92fc8b81520e479fa05aaf1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}