{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x0b510d50ebf55e2cae15c07fe92876d91bcff58a986f4a8d921bf525ad0c06f2",
    "signature": "0xbdd699f2b0fedb2c42cb4d92cc9a7b96432f733608011cc8c91f768d1ec1a6f24f6347521b2177d97ec374cf49e241ea28efdbf5a42acd42bdeb8075a628b91e1b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}