{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138962",
    "entityType": "User",
    "nonce": "0xafcce6cfe69b5300a9722c189b2ba7557323a4e477b283c814c93f5c79f8ff2b",
    "signature": "0x41013537b4cf7d63c36502d026cb0212105d641179423c4f26a7dfb197c9942b328974b09bbc61e0d1d50022e75151848afe327192f82b6a1a21ac3633b19d8e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}