{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5f465214e180fc561b0436feffdf25d4e680b8b45623ebb403d5f34cbc917623",
    "signature": "0x01f1806b040a78cdb5d36f8711669b6af8a6b2f302aae8b049f53feb9e911ed06b0319f095a4402236d1236864d5b4f8ab0dd1ec84053acad9609566a34528cd1c",
    "signer": "0x79adD0a2Da0445bdf4Fe4a9d04995B4a8354606d",
    "userId": "308542863"
  }
}