{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396164",
    "entityType": "User",
    "nonce": "0xa47006018f0eb6b9b674448187c48c5270ca567d3b04fafc20a1675f76aff1ed",
    "signature": "0xdad14a35bc1a37e7c5ff1ab6900ec145843f92e7c1d92fb7cd24bd19ccc98b8f4b1cb1195a8f4fa4cc20f287e2f515d02616d471ea920e66da04a890d2a11d0a1b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}