{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbfc9f6e20ab610c812ce2b2d8a07629a3260c737688f5725074194267df76f88",
    "signature": "0x9fb81a8d6526644df91a16325447bb36e8dd9c4946be1d5961398f08f23053ad53a563678b2d2c25760b1c3ec80e48cc5aa9313e79b949c7cf4b73fe696821ba1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}