{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77374",
    "entityType": "User",
    "nonce": "0xd5d9eab3a48a0c6750dca29ee4d1bce15b5c8269b4ad069003d87586ed5c51eb",
    "signature": "0x38fbbc7636585d100cab1be960fc7bfb10cc49d6ab2db11f78aeb8e9f707d1221043d8318cb67218a51ddbf126a952c0af07ce712ccab326a042037fe9af5cee1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}