{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327992",
    "entityType": "User",
    "nonce": "0xc1faea0987b6da57541d405307a181f9d1fbae45f85668bdc289014c7e089091",
    "signature": "0x4c689ba596decc06788c9d36395976f17b021e521292d25e13d61eab278cd99f48d2e63591a284851e0cda1e1c6cbb2a7b3a98b7d883b5b068aa83c46028e2341c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}