{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60614",
    "entityType": "User",
    "nonce": "0x8b16258c3c94262725a5ac34e01890c6b984b3305f14eb7d5d4ad2cb9277bd49",
    "signature": "0x25a6d0eb2edec166a8cea8d72c5e654cf7011094c62e94d772a78c4a3af2978f56e2a3a1ab7c81fb40abd179f06f7d338f1fd859983dc94edf0615f8be2d01a61c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}