{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1667474",
    "entityType": "User",
    "nonce": "0xf4b341192c124e81b2b894f586e579727a6c42d40f68f3cd05eb0de5722305ef",
    "signature": "0xa37e1a4d674bcf8eae20789bb62e3e9f2347ef1ae47e1c953d6be7274192ff626a3c73ba458514f6a1a1b8f80cfb61a180d360e154004862fb61c2bba3dad2341b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}