{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174117",
    "entityType": "User",
    "nonce": "0xf52bfeb54041537143dc986bd47529d2be0ab063dbc35428a978680999c1d1de",
    "signature": "0x1a3b7e1f24def6c0c2d7b2f7b88baf67a9cc7359ed234459f17991516ffc7a6f452022f0f766f3f652331e080adfb30683965217f1d2e289b41aa3f97da999b11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}