{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "298766",
    "entityType": "User",
    "nonce": "0xf764c973ce45203e6b0cb7dd51e560668ae5a95626a2a6afb312409637cdd234",
    "signature": "0x7a597eecbda0345b816bf98009634bba28998d6b3074d06cee25416fde2f17fd593589759dfa0067025d118a4de18c45245dd8ae148dddea634a8cb08d2a78e01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}