{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xab71dbe7cd836f579183105d35e5c125d7c4df3821faaa489af20d847270c473",
    "signature": "0x4bfe6bb53ae723475f83bd1f52a8520caca621625e52ea3be9af9c09501792943448b2a1db1851550a199950bd9a75e30e7cc05cb43436e07a2010644a1748001b",
    "signer": "0xc06d2C8556Fe566F7Cb7450eaEf103FA276a5Da6",
    "userId": "31655393"
  }
}