{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "321342226",
    "entityType": "User",
    "nonce": "0x27b8b96e2e4060c45421089a4a5f868ddbd405b218a00cacb49ffa0369c1f43e",
    "signature": "0x6e8e8d9db24e9b3d2b04aed89fe3fe78754d3a56e0fcfcd456dad1cfbd3e2f4e340aa385cc782bc2651b0a8b0213e656a36e5d70068b371f6bfe98477f9c26801b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}