{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xd455e6d81dcae18d8e7660cf83b75d42d216f2ac7c35d2cfd958145df82aa272",
    "signature": "0xce112ec57119bd3cd327d98b73861b7e6481ced9dd933766dd5c2ca88b5c77247c5eee82b9cea5f56310d486f391808f13d2c46edac71fff0e897105b3a9d35d1b",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}