{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "95273",
    "entityType": "User",
    "nonce": "0x2fbb0ae2040dcd4f413654d4b38c4884652ce35433b268c215f4e5ca4465eef1",
    "signature": "0x4dc7fbd47601746530cf2b26201c5f27e1a57feaaeb236ba1cfabb81acdccd8854df3cbd378ecc5ef344e398f4469c5411ec28397ab39c3c2565fe8f6e36531c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}