{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274879",
    "entityType": "User",
    "nonce": "0x7814273fee3deddd6895b93b788d237c31d961a342d45977989e14e27d7587f0",
    "signature": "0x205714d5c7d8c5c977a9b10d46625e3d1b614d42d7bc234dce12836977a54dda15388668aa0c96fbf0a338da27049b05ad06a947625dbcc1b7c1dde870e407ca1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}