{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175154",
    "entityType": "User",
    "nonce": "0x63098e73e77ef258b9b573829fec52a01f78b24768e0d18b625dc2a4a61e4600",
    "signature": "0x603d2a2bd5311d6db646393ddf3eedf50c0d170d2545e1241457043d98f2806401f7f7ecfcc5f26eff9024c42f1a7444803dc39c1858ab097c20674075e2fce81b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}