{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x09b64d48065802da737b6bfe75b7efbe8b62599885d2dcbc2403590f1370953d",
    "signature": "0xfaa1cce26c614c3a647915a7c175f6d9b99cf75bd9ebcc90a65cc1de18b0b3a764b65f208716e074295c61a5f9553984f64963ddac3bc8f6351ee3801b12d60f1b",
    "signer": "0xeAA96223Cb5BFbAe82E5241FDc078641C3d8dF0b",
    "userId": "608606779"
  }
}