{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184573",
    "entityType": "User",
    "nonce": "0xdd8002d86962642f26838801b5094b39cc8bfd8d1094525c1e7fd126ab4a96d7",
    "signature": "0x703683af304bcf70c50e45b29deedbfba7647496474bfe62a36ae2599ed1db9173845d180ea9afaa9d73f001587a0cc34e63304597bd9e66e0b1aababd6fe8501c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}