{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "365354",
    "entityType": "User",
    "nonce": "0xe47eee38c0e5d80577a2de0b3329338d82ba6d0fb14bacda7b2fe4b3a4dfe161",
    "signature": "0x2c2f20b1b9b6309778600230ada74024da175e711122c5d18d279087659b7fba39389ccec327d892e065bbd2b8cd77726b6ae8f2f825ef9d420d74c778ccc0c21b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}