{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x3b507f5f638ea857131a551d7edf1a8088edcf7f814b3e9f7f775973ca7aab42",
    "signature": "0xa7e94ff662c9832e041ec018daa5d359c2fa95c733c44c4bdc924bc547c95d07604154c73208c4ab25f69203f293891eb2761b7b82b5299c1fba0648e30762aa1c",
    "signer": "0x67ed98b66e2387CD19c27795304F4e90867BfB93",
    "userId": "185152372"
  }
}