{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x48d276c4a6444e17abaa4b52c33a540bcc1a0cca79fde93541214aa4644f82b9",
    "signature": "0xdf78cc1f6f21f76679ddd9a83e9db453e685a2df88aa2508793fcbd31f6c15f30cc996392f5918f713f502aaf75161437acd42d5e8282120dd7ba243a451a20b1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}