{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4c5f536cb3fcdb896c4c5440d2400ea11ef533e7f71fb72811bc902831061b2c",
    "signature": "0xc503125d6d49ea79083fa59b25f07343d224445ebacf4c5937295da47fb26d4d27718b41c651fa0a330e7550a38706a5abd3c15a6746ecf8fc5e5756c922f1211c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}