{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119980251",
    "entityType": "User",
    "nonce": "0x34a1d5a6071f0ed5c8839d021764dfbdd7da8b0f23c9d7f4ad9c5d6f42aab05e",
    "signature": "0x796dcd1604c13b1586b7bfa6c394374da71d382400172784010b4e6408fc53c6639ed05b2de637cd82cbbab9cb672e4cb281ebd0085c19ebc2dda71315b9d81c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}