{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "379870318",
    "entityType": "User",
    "nonce": "0x8ce69437845053bbe9fa45c2e2ea50e78a32d0de93ab8d27040804a5cb34f6ec",
    "signature": "0xd74f291cb721414a315f66852f8326d2e69f067864fbd428551d6b1f4f2e5f6a33bf024edd624da9c7fb766804ea2b25349bbc40283d8440ff9d510b66e994521c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}