{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384659975",
    "entityType": "User",
    "nonce": "0xee36e19d067e71694bfdd165e0c76014f398ffd530c6d7d7f623868ad62d1ef4",
    "signature": "0x1bf0aa62e327327c0523f394814abe741e8f06212f0565c37d1b959cb41bff6213ec9e7c784273c8ffdad96a4728e68a52321fcd9060f81747247e0b0e2f62411c",
    "signer": "0xCf51c0CB439FF3aED8c04d4676b43572a8F8FB93",
    "userId": "763179319"
  }
}