{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xe455b7bb09347aa42b78b5cc5a1d8dad4e36589f4774c949d54f693470475dfc",
    "signature": "0x9ece4d401dee95de29766de87e160a8e56dbd868884573d59a8a6780ff7759b51372673e54d2ae6542d9c9dd3c67900a6b2800bf1767089d2e28c6c43c1300091c",
    "signer": "0xE22639FD840080b20889373FEa6060B4757eB9c1",
    "userId": "274627911"
  }
}