{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "541630",
    "entityType": "User",
    "nonce": "0x72d7c8e1691d8aa4ecfed0182169d0ef1c69d40d2121fce5a6fda2a301f153aa",
    "signature": "0xa2108234ef06ea9b5eca0b6278035cbfc7b40333378f63a4cf4fc03c43a716d117bc7d26e6ce08681781fcb765be530897e52043848760395f33fe9297e37b051b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}