{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17543",
    "entityType": "User",
    "nonce": "0xf5210fb8840a540b859de0c05d5fb5afe1eb5ef35446ea6a3d26a7e0508e2ffe",
    "signature": "0xfef091697cda2ee3f9762e4c7443c51d89268ca47d85cded975722520bdf100724449492cfe815d697308c965cd0d1f2c5ddd2c8d1c6e0b42325edbfb1e439b51b",
    "signer": "0x8ED8606Ab8cF49801aEa2bf8fFD349E9c85bC6a0",
    "userId": "464330844"
  }
}