{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4776",
    "entityType": "User",
    "nonce": "0x270f0ceb55e9a36e548ff6090fe2fe03ff62b966e955f375def2720e348eeddd",
    "signature": "0xf364fafa6bbf84bf3c5813c0a64c52f74c2ac6215595f8ea227c2ded317cd94c3fdc595ba884f5da112dd7500503295764191ac5731013f2959d567b99133d971b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}