{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x79754a0b2c1a9f71b35fcf28df275246e29664589d2d7110d847c64ea364e3cc",
    "signature": "0xd8c7c28cb2f1a99112e8b100a2f0d8c7f651b6f11ac5c4876634b6f526718f08502060586d940c3b91b9c32d1a864829e048243659540dbc7a526d9716ac78661c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}