{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301637",
    "entityType": "User",
    "nonce": "0xeb79636a528d7db40847c0fe8e8c50a6b1fc8f15d61062d401d8592a2d84b4c5",
    "signature": "0x15bcb7e287f42ec5df74661ba6573447cf294edbf9ac69b1874cb5965bdc668f7f3e63e3a066c292c2f71cc6781faede173dfb94ede1b66a0ac20c61b89ef57f1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}