{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101812",
    "entityType": "User",
    "nonce": "0xa7abab2d34bf97241b13afefa961a2b8aee43343ad32d421efff98dc107e8375",
    "signature": "0x6c670efc41a632cd64cee36fe7e355298de57aaa62b1557921b9f613c346c729740314916ec554ca2861efea59d88c754bbc890da775a41226ca8becc9e610b21b",
    "signer": "0x7e728b2B265C553aF3265EBe8571B4a28E6B02d4",
    "userId": "180658142"
  }
}