{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "619919978",
    "entityType": "User",
    "nonce": "0x088341659aa40c66e04b1c7082824bcef9190d330853dc30952874ea5c004ae8",
    "signature": "0xc9cb37b0a885b595cd18ae0564f0a7b0b7856afd3e4aa416d7251a3f6dd29a5012bd68e8e979ff64dfddeaf7d72c7f71542a4b7cb5bd0eb9271297a95cc7a8df1c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}