{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122774",
    "entityType": "User",
    "nonce": "0xa5e12df1af135cc7c081edf78d692f5eed6c5d6787908bb3f9f1b7b7c90bef33",
    "signature": "0x65e11088dc12035568b6a6161ef2bdbe075f487dcff35a38945ef39e9d616e5c7a6cbd86ffb046ca47c2f6bca5f72341819b7d384709bc1df4875cfc339fc3431b",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}