{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38568",
    "entityType": "User",
    "nonce": "0x0280d8eaad6ac9072ea7346fbe75f5cf99eabf986d502373830e083eab75bbc6",
    "signature": "0xd1c4956a1cf2208fa370010df4c0ab376b520959c3afaaed88a98149c7e6974431c77c81abacaf6929fbe91ef8a9cb0940e109a2b99296486c0d885c96fdfc891b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}