{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2855",
    "entityType": "User",
    "nonce": "0x5b3434e6737707714bb7dbcd0dded7e0989ab23fc12d97dc64b4a0076b7d694f",
    "signature": "0xdb243f2e321e27013ba826f2444c0908369ed9543ac48443c1d1fd88b755faea052c9b9cd75f05efbc43ca7fdbafff2ef848b488938ca27c2240dacc606d35911b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}