{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39252",
    "entityType": "User",
    "nonce": "0x63cff93489390742c58269ef02283640a3d3921e44b723f9f26a93a4b19ae459",
    "signature": "0x9ed24bd23bd50466f1a68e83109904c800615c1ae9968f5d052de7b1bd5f1e7416b12894f93504442d45bbdf1f20101d19fd6fb93b9c218d11b207cdfa482a681c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}