{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "595768441",
    "entityType": "User",
    "nonce": "0xb06bf1361448826a804c1963998995c8761a03983bda74b504c7ed20d771faf2",
    "signature": "0xc3906127d977c6cc702343110398bb6ecf5f06fdf1703ff06a8dab3f7686a4c148ea3a5107b4eda24be7a37f681ea25cadfd1cfa35bf86b4a34de23e2b7a18d11b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}