{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb11fdd6cbf300beedb3320744a18d2ccd27a29360164d26521e253d6ad41d5db",
    "signature": "0x37a2785c24e2c8d9a1a7ecc34e2b58e5516df667b9a83f5a12561d68c6821da414344bb4e5c7498d08a2bde952c1118b488e587015fea241e8afbe13bf619cd41c",
    "signer": "0x81b1B45A33ac76924D6f674Fc7d0918AC3E9F9Ec",
    "userId": "845684964"
  }
}