{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136098",
    "entityType": "User",
    "nonce": "0x250e41e24abc8f782c5599db3883da10a2f6a971fdbcb14d8d9f1ab7b55673cd",
    "signature": "0xd41ec9caaede2c33c6d0cbb205f915f87db20016e87f5b8876a260b98e4f9f4c3a043a894f9070be9b16ccd8b739d41c86f9c37ece49191c4d89cd3552e68c061b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}