{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x051ba8ae60d6c851d024e8a7677b32318d682d67cd17d1de31f0bf32f2e0f063",
    "signature": "0x9d7238c7244cefeb91876e50e3daac21b352f5756a78a56c18560fddd3efe85229d71de041c53730ca1886d1b3125856966ae4cdbe21a1492b7c9145c405e4911b",
    "signer": "0x47A220481bB19e8039cd12fa6c01cd65646EBF16",
    "userId": "522935014"
  }
}