{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138114417",
    "entityType": "User",
    "nonce": "0xd1b64f4758ab55811438233c4221b6dba189501bf46ee19f05b721348d1956b6",
    "signature": "0x2cd0ee09457e9049f4f81bf0ea9aea35a583c3202bf13d21254de1804410741b40165439a25eb7fac6678f57c95ca25ec324cd94badfbda25109e40145087cb61b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}