{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71927",
    "entityType": "User",
    "nonce": "0xad0218d20b36f666f7a657a4ddd01a7a7a07bf61ad380c790078d81dcd1d9f9c",
    "signature": "0x6767a7a1872ded67465e587d814e3c2f4f6921f88e8973561e602869413e22700e1d71240741e6f6d967fcc2c6c1e46f5c561c8f9f23cbb65435fe0b2de9ecb11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}