{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48783",
    "entityType": "User",
    "nonce": "0x2eceaa030ec5052de7dadc6b7d1862169e623074c98b9919b2462d563c684435",
    "signature": "0x432472e43a8eae9e792817e129aee04237b7fd9a505e1a466f71c37b1a21c5990fdb9e9813c831149be21717453126e35dc24972b753610af4ebdc855ec0b3321b",
    "signer": "0xD65418037f9b8653C61558a6A2445F39631E0789",
    "userId": "247970151"
  }
}