{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64442",
    "entityType": "User",
    "nonce": "0x21a99922ef11e006d5f43814f5ea0cc6bacaf43cf4dbf05f98a80172044b0582",
    "signature": "0x79b2cf09a6420a896c03c0d4f7c46aea770ccf729e39e13999df28f8e2d1232553cb646afd7a035b081c92f9cd59abc1d211bb867e4790182017a59d5c90f11a1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}