{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171261",
    "entityType": "User",
    "nonce": "0x237e44c266b559c2938ea6ada0823bdd088b3ef593800477bac700d0598740f8",
    "signature": "0x43c7f0ccf1245f9dd78962217beedab9ae7fcc0fad25636cba5e22affb8084936ac6d7866b19f859f12aed535605bc33d93ecc1d2e0e24334354fd3ff66eefce1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}