{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12159",
    "entityType": "User",
    "nonce": "0xccb5e65d676150c1330150aeb840a41cc13c5d1005c39aa6bd6719bb7a7ce4e7",
    "signature": "0x04baaae486d85caa69d183b0a38ea7e27c00007e699b686b9aafdec840df98ed296d2cd6b6c6b0354cd1b8d81ff13f357e08982ef921b6c448b67116428133d01b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}