{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "826451106",
    "entityType": "User",
    "nonce": "0x48eb03d5eac6547d5a86d598e96ee36442375e9e796e11125928e1a086ea6cc8",
    "signature": "0xbdcfe37e5edd03c86769db4dd4c19757deec1031929969da031a59287bcf876d1871436a36b454fccbc72900fe84b0ea7c80ea0a467be2c0fcd08073260d2fb31c",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}