{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "841756759",
    "entityType": "User",
    "nonce": "0xc8ccf0471220af937025cdf1f329e9b8165d3f1e895444ea892a45b5f944cd47",
    "signature": "0x1382d384ad6dd15c0c271c4c215cd6c370b66456b004b4e13679264bc92ca66b102da25ea7337224ba404f9d5a811854811c137e963acaef19a65158308140591b",
    "signer": "0xb175867C02AeCd449963dcdf49E8710D84e56b11",
    "userId": "181053434"
  }
}