{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2fdeb99268a9965e3f2b2a759543bc479c0b5722263405c719b8986c2c0d9779",
    "signature": "0x88ffcfbbed9f70780153367ac41f72e4a2f2ec6202f3374ef9e5f7bcca846f4725a11bb677909a697bd6b5c918f6395ab3ecb67bad799900fca1a7a5fb9c931b1b",
    "signer": "0xb05ac4096e109913e44Cb0b42aFB2b624f69b505",
    "userId": "361734403"
  }
}