{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316216",
    "entityType": "User",
    "nonce": "0x85f4fdfd6719671620e9ac9bee162f957c981c5bd84bc968822419b1223d7ec4",
    "signature": "0x9d1233a03d7b7249c4afe3e0d8c5da856c5bb922922b61a9fab54b90582851a70929a2fefc964abac898c6715d029f208bade3c7a48a5e217506b609b5ce7b1e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}