{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97457",
    "entityType": "User",
    "nonce": "0x830546b94ef556bc5b5344348ff3ce4a42d486043f597fd895e20dcaaf2a4774",
    "signature": "0x9fa680bf62808d47a6df676d467fe349f074ffd0cb9bfa19f1ea34281166101d0d10a8518701168f6cd62d4a9bf21ae32e4463a1fa4e9d125a25ac528db78f5a1c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}