{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355715",
    "entityType": "User",
    "nonce": "0xe18a2cb19f916f03e13491732f066f998d16971a959eab3df33f1e8dd32b5616",
    "signature": "0xd6169da5d68ebe6e7dbb18c1e92d9beed09e6884d2fe07a777cf54bb35c2927a4197748c6ddf4f8a6f8933bf4f69a6143837b22016f5e45ef56193b16e1b2d4a1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}