{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228291",
    "entityType": "User",
    "nonce": "0x11cb7a99abe3ea8654d1026d4cab70eb2851e9cc89b4231a07ab9435c5e2b0e4",
    "signature": "0x61eb5011081308556e7e29b6b4ebb2ed1edbca7bc2f2db7f2959f1b6d626af657e0ac5c3dfb64f956a44ff24d50a4c799a68f987e956d7de28dc0454df13f9ad1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}