{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "245636711",
    "entityType": "User",
    "nonce": "0x3755a6e7905a7e7c3524c37cdff18aaa1370a721bd5c44e192cce6deedd6aa28",
    "signature": "0xa78c64b1f9dfc394a63b8ea16d127aa5efa9d00885631498841fbb3f964a319762758e6b461946559af976b56cb63092ca4f6938259711918649443d609c27491b",
    "signer": "0x5156122E7f53a879786546b3133306b9F7814b9b",
    "userId": "781663071"
  }
}