{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707342168",
    "entityType": "User",
    "nonce": "0xd5cb15b2838e98a11997d204a76879b74a6cc235409483a2fc7a08e7b84e70fe",
    "signature": "0x71dcc0cebe21776a7e408843f8696b4e3aa0023abc28417deffc0f77fa2a70bb5a6966a3682ac6e67384767708f345e19f406b049eb5acca2530ccd341003ff01c",
    "signer": "0x2d4f4b5eB270Ed535B5a91d7A323654D6A1CeA2a",
    "userId": "529386612"
  }
}