{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xede29fb47be58fd3758da6db7657937889ec771ead6adc7b5202ced7b75470ac",
    "signature": "0x97ec92a5b532fa64a214be35892e17199780906519057ca36fe056c32d9474ba75c1bdc4610fc5125e2438b5eda4d5313d197c63cba97e29ed4eadb19864bdc61c",
    "signer": "0xA91667de3F476Db11A2aD83D6f6671b89BC17733",
    "userId": "940918757"
  }
}