{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "488430169",
    "entityType": "User",
    "nonce": "0xfc6d6e5e74a07e0f480fd9b71d5a4d81b0865e1546dc838b03899863e7899309",
    "signature": "0xfeb1b2ba88a267261c2b728be7f3e7fc7f7158e1eaa7756fb53846bda6064b531d560fb47082920f58f4c6fedeb1ae0d6e9ab42ce89e3022d77802160fb2b2341b",
    "signer": "0xd8Ee3696119b7F37b6A780654aC9d9eb374b47Ad",
    "userId": "131716"
  }
}