{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405466",
    "entityType": "User",
    "nonce": "0x410829b775bfbba20101657c821cbd94cfb559aa74500a0331e7d1b98b1da963",
    "signature": "0x634dbb2842086b518ac63c38c50a0de8f82768830dbd30e8edf0cfb416a4899878adc2535dc7d2d74b90a73797cda8ca55db7e0f3af2352fa874b933aead00c81c",
    "signer": "0xcb5D87789Be7Fe51506A9D53b24d9D9dF14BcbC5",
    "userId": "947956805"
  }
}