{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x118062a5303cd1a80eb7c4d21005f081e5bba19dc890a0a009878fe6acabf67c",
    "signature": "0x7d1df6d0872f3dfb4678eb9d264c204427770918b7804fcaf801f2eda5ee636d7c996a9e6395c19bc6c20b8207d402473ef9df34597f1a4aaedde6ec1bcd98571c",
    "signer": "0x235ece5863Ef9e5dF1a96dC6b5Fbef48423131c0",
    "userId": "543200096"
  }
}