{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x556164bf93cf24ad976b200091cc40ac7fd2e3e3637a2b32fe6af1cb02779bcd",
    "signature": "0x54deb1c5df5de41e72a5c5722db83743ba3b5f1c3cef85ce13683bcf81b87a097f8b8e4af072e6b148371ddbab0dcbb8558b4eaef8eddce0688447efd873f5c81c",
    "signer": "0x4C73FEA0aE69E486D85ad0140922DbA40BF09299",
    "userId": "776669163"
  }
}