{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x3e0acb48e3493a65c27cf1a467b4833f184684b7114ed74c74f957c02432d146",
    "signature": "0x907ad04b48f8388d7313f27a62f8f90546fdf97ac661affff8ddc45c8743652b5ec357442540e7324b6ff4c345f6fbca42ccac784c8c188b1b8d5c0220faf6e61b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}