{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137406",
    "entityType": "User",
    "nonce": "0xb831dd08af98e45d69329469592f5f0b0d570261e2452d1ef079def8e6f1852c",
    "signature": "0xfa6f3fe0baa139a4cd3bd6818a0d99cfd5eb21f074d0a86f631b1ad676ee3b6f00b830c75168a790c44deebf3ef7638b5bb025e1365fab919fa6585eeac883bc1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}