{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x4e198d00d65f98c6477966928f18b9b894acdfd901db423bef0970a482d05722",
    "signature": "0x17679b5acb08d157b1be37ce70afb3fa7b7accbf49fefccb28a80160ed1b0ed1433a1dde49dc1ea4492f3e76075c155033cdcd1d9eeeedced2d20b7c966d40511c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}