{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360596",
    "entityType": "User",
    "nonce": "0x3c6ec4a5c3bf88c78564e650d7ffcc593ac2c26594a75f1f2786f932e96c7a20",
    "signature": "0xcb3e1e8d54abbd1e91ea892eb129ba47e1b6fd550b299cabbf651f3f179d68a272108ec904a322233efb2bc002eb2183043562f0f82f209e18c3143e6c7e97a11c",
    "signer": "0x74890D1DB0eadA2cc7FAaEC8D37F9d9aA80cF5B5",
    "userId": "770154030"
  }
}