{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178070",
    "entityType": "User",
    "nonce": "0x4614452338cd5def81c00da2fcbe7b9dd655f512418ebe1d2f23d78ad08c804f",
    "signature": "0x1c31467049128d32e0874ba2bf7cfbc64e2806edb35b2f58f59d689cb5cb22ee51a84e36d0e8f99362d7cc8424b1b84fa9e94093143c796ecd239f3809341f4f1c",
    "signer": "0xd648B38B61b65e4F8df57D4EE65560D8DaacFDb2",
    "userId": "277314120"
  }
}