{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xff5e86e82706c245e271b05903b92463b8709a4b9e48deaa0cd1784cd1be7070",
    "signature": "0xef2ac35542cc896120062387027da84c28e7cab62e3cfd7c7e75c4609dd412310221ca4f0956c52b0df46a378d014f81b83a662b7c8c768e64ad605317d535401b",
    "signer": "0xcA2fC34A9E583F8E602b6FECA894286a1d17f1e2",
    "userId": "772779714"
  }
}