{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16038",
    "entityType": "User",
    "nonce": "0xd184c12ca8460291c4a5905985578ff9518f431b431eda915466053a745dfd82",
    "signature": "0xaa06eee2e3641ca187542c85b804df60ab4d9fd349f80bd638ace4502377e9ce7d98d77c081e0cbb91e849cbc1ac3e910df27d371c0a47d6614b64a65e3ef9421b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}