{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x1538e48add307461b6ef635a2c67da051f99edab187ece449754f8a5df35923c",
    "signature": "0x3fa1a033c0f0d7ebc523eb0144bae37ceedf37295406da92ae0e3eecf71c37d1782d76cd3b806edc343e14ea8f7bdfdb3f9012a2cc9f3568cd7440ae6c16ae221c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}