{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60015",
    "entityType": "User",
    "nonce": "0x61f1a3012a960e081ae3cb61915f2119f4da87d7b36cd3ab363f7d101cdb7ce0",
    "signature": "0xd10b5fd7a118df0619a12aad9cf5d3f7451e7ba8da575ec04fbd7dfb57deac47354c786b57bec20534ed9172cdc3612694b6d1fac3ceb9e32e8516a7607aee7a1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}