{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344756485",
    "entityType": "User",
    "nonce": "0xe1a0f2f7d73de2d5aa533dc039fa0dab91f35d5dedd8a8f90694487666c783b6",
    "signature": "0x104d7bf3eda03fcc18676d0d0f734c411fd255bf783355ec8f5bf4e501e25f1a7803a2bf20621e1f1c2d75918cd72f8afb84f186fd77873ba1258908cd3775d41b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}