{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986558952",
    "entityType": "User",
    "nonce": "0x0c28ff12b79f36b044c8e69bde1f0378a0edeb0125e510f192028d26b8700687",
    "signature": "0x85b923ec8876d012569aac55c9d69ed5c1a94648275bfdd13a5256a5356460601327c0fc641bce57378b0f5eda27e4c23e26cd222406c63063d74741432b87531b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}