{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1394",
    "entityType": "User",
    "nonce": "0xf61035c064c7723580d2133faa0b638d1b3a37979b11baa637566daa71e1d589",
    "signature": "0x37b61f80f7e1452fcfa4fafacd19086ea740e81b9f40db5a529727596cc173391f0071e34b3b89b1cc31a8ff785e375595e4454d5efbfc4bf59284c1f280fab71b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}