{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367804",
    "entityType": "User",
    "nonce": "0xb1beabb0b501e9b2652ac387624f3828a8eb97e9e88ca3a0ca937d9e05da24d1",
    "signature": "0x229af69ea062c2e67308d38f78f70386c1fd47025c7408f3f03db79730bd42070214c974f24cfc446eb7020d03a2178ef8f80dba8f9a3a1b2bd731ba7f68a09f1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}