{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "303777695",
    "entityType": "User",
    "nonce": "0xdc5aec03a04b5542086369ad246c57363e2a827811ec19fc7f8c5712ae6e922a",
    "signature": "0xeef0f1c067b463b9175827ec0e75b9d9773c5a7091d9e353703946202ca2eaef4a5ec9f67587e97fa930443ba7137512d10c7383c3c0db471c71c2acff3124321b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}