{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "821853407",
    "entityType": "User",
    "nonce": "0x2ad93abb94b0a2d2607502c468c4f2cc1d58f88853adbf70fa3588c0f0d95911",
    "signature": "0x7cc0af067f5aac02089f0e46235b7c882cb052312e3527873ae3e322b366ac361db50fa26dd3313f8cc000ee5c37a01e4b1f7fccb1c3a9b96893e5888028e3701c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}