{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50576",
    "entityType": "User",
    "nonce": "0x80f824c91f4351336406dc824d34457b6bd5bc38a191e7663fb5ac2bdad904c8",
    "signature": "0xd995376664a2287e8100ce9ab351235f979f68ed86feffdadb5593cf1d6a582d1b64c457f9fe9fab7eb96f37131a886c4a749e70c9a4c3e4b39257dd42d083951b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}