{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xbf2f7bb100d615c0d116ad2a98e6f422b51364764954229e11fe4b4209dfdd8b",
    "signature": "0x008fae8cead2cd7469cf77766d8b1c579a5e4ba2b10a4abf8d40f93cf744331b578d7b689d9703aec47461ed70a9420a467afa907050df7f66786d2ba0d0d4b21c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}