{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48341",
    "entityType": "User",
    "nonce": "0xfb3dc3a43b3e518fe2b85f03c302309d86ec11c58ce6544e281257ef7787a36c",
    "signature": "0x95256fe1de415cbb34333c7944dc44b5c586278aa2625047e63e8b1475e5b53e033715cdce1991679ad3035c4d704380248a0e135859a0f4f1a58b933fd0cc2f1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}