{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "905219052",
    "entityType": "User",
    "nonce": "0xb19e242b193a856cba88ebd9310d1186de73892b90b8267a65b2085f1662d6aa",
    "signature": "0xf271b61e8a9c6236eb10fceb4bde7ab4ffb881656a412003260abf16bbf5b50d54f0806ba38a6a5f7f54d3934c8174a6df2ec1989ec16341a4240d90a1a17ec41b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}