{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337206",
    "entityType": "User",
    "nonce": "0x993f7ece8f791b84d0e0429daece554a1a9d70053c9945286286e44d0dd5cc1e",
    "signature": "0x0a8d87d400c3bf2ad1244b796192e5c6f3bf4239aaee1c3f3c60eccc11ce4b423451d8984ce8bea5bfc35c204efa67970092665447cab51f7cc4ffbb4fce4dae1b",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}