{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125119357",
    "entityType": "User",
    "nonce": "0x943fe504a48d027d3846c6df19ca2a81339c62cd101205a15809d8a1f507be34",
    "signature": "0x0598804465a5b36345c269179b50ea8fd77fce89beccf9a4ebda02ffdd4ec63564473dc0a725db10e2eeafdf68f555f4f54b6fb2a6ea3c6669100d05c97f67be1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}