{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "560200901",
    "entityType": "User",
    "nonce": "0xbd63a1af494520beed497edef87e33fe21ae5bd6a249e45a0a31ae9c2954da05",
    "signature": "0xb21a3a006f263975e8afc09247e819a156eae58cd69e35902d04f53da1c777a610b9e917a1d4393c870adf59ba2368b5c4ce1db13c8fc2f68658903d6b755b711c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}