{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "199977",
    "entityType": "User",
    "nonce": "0xde03827e04854147b7014bdab1b1f0ab865a5a60aa2ecf360f15fd178dc63eca",
    "signature": "0xfde1d3f1a83cafd888f928deebfa38fee71ce812b8409dfeb3c9755638c0f2ed43d72b2f74f8c2a7655cc414c649df85e446cc34eb44da9eed888b018e6641611b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}