{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324886",
    "entityType": "User",
    "nonce": "0x01897e4c3d695f01b5db3299e9ca491db7074ca18987e3e5e277baae18ab0b6a",
    "signature": "0xae73727062d7b8662f2bc96d577409a8459fe0b6349f1e18cb5aca22c4fb193430477254f765fcabb340e707cb68f0153524e5bd75d55e6582c578f0e0e925e31b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}