{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164029",
    "entityType": "User",
    "nonce": "0xadd346062174b2152cd39983d678391e73572d0b638b160c771792d9484d35c3",
    "signature": "0x6a27fd0bebcd9c7109d4e092241c457b5aef8c7cc9b6fa47862beead775a4b6f6d23272be7130af4ab44e6f54ac780b3a32e1079f62d2cde3a341dae4c4e183c1c",
    "signer": "0x5156122E7f53a879786546b3133306b9F7814b9b",
    "userId": "781663071"
  }
}