{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1887966",
    "entityType": "User",
    "nonce": "0xd271f86723b38dda8d6dde245731b6d5214f52173b10ca4b2d9322a11e3d59e3",
    "signature": "0x34000767aa95305ee549c3c177e138dfc5d0ce9fa8803d64d6f7899d79614d9725666d0caa07143481c19a041f686aad5f11d89a3a6819b195fae46b200ef8761c",
    "signer": "0x7c2f6C8E39514CA33Af557b55Ae76A43850B28f5",
    "userId": "317425703"
  }
}