{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344575",
    "entityType": "User",
    "nonce": "0x0e1dfa3546c11485f215ce05b573e49aaffb302eaa11fdfdb289e19f2ce76f14",
    "signature": "0xff2aa8c8fe1a7eb8310ab873744d37f4f40e3271f03d4eb81e8894222163dbe91d3bab33610a400682603624fa94f2a3fa9e0a10fa0b809b9dd33b1e8c2edd071b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}