{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237590",
    "entityType": "User",
    "nonce": "0x85d42df0d5a4ccac7a7a278ab8f6775fc36ed21daf50fe2b9a14dab7fdbcaa24",
    "signature": "0x6efc49cc3c3c632c94339d72a2797a7b96db92bcb1bb39a3350e48539d47a3ba69954226ae1429949ca6f9d0a155efac7840cee714cb11c2247c8bf003835a911b",
    "signer": "0xdF94159720AB889b4D53EB68Be2E4869f38b9eFc",
    "userId": "863573949"
  }
}