{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217029",
    "entityType": "User",
    "nonce": "0x368e7643a6adbf6459ee1753be5a066e3c3ed1601bf4b3e5ef43912877173cbc",
    "signature": "0xfc80890d848334fca52f99102786e8883e37010ab7a61582aad9d4685994f6ec6dc737ef125cf7512287baee8b10860dc723467644b883a49ba8850e57d95fe91c",
    "signer": "0xA262fa1E6a4e2d4fD07d405D0572e986156e8e19",
    "userId": "16238"
  }
}