{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154494769",
    "entityType": "User",
    "nonce": "0x2c8554fe7df561467430d2c549bf0ff8e4a8cc5d5f851e54d5568f2ff02fec19",
    "signature": "0x97a3e142c3fdeae6a69c922c29c70bea74d76a246d8086194c347ec4f4344c191b0a69a3d22abfdb12e3be8956bd80d29f88dc85b819f3aa6c5ad13750027dec1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}