{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484002039",
    "entityType": "User",
    "nonce": "0x3e8e46588f391da03cb63d93037514d4352c68695c6c23b688fab9728d78eb61",
    "signature": "0xdb6dce8e4fbf996ae185fdd4ca95ae9b17823b257c9a984b4e22ba9d24f12dce78a6a5e718575008501359c788a30aa9b392127806a1c90f104131bf87a0716e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}