{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x1593aabb4f5929f274aac94f07f705b3ce6fbdd16e4da300cebef3595c914365",
    "signature": "0x8317dbce87b42d9f07c03c858e42346fc6be97aa2c4b822e303091b88f7848c35436aa22d525ca3a7baba475925c67fe72b136a4841e9bb8a1cbba32743e46371b",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}