{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164551",
    "entityType": "User",
    "nonce": "0xd699b35fa1908d7d04de0caa972f5a28cd4a6bac17e147687b6a4604304f5a6e",
    "signature": "0xfc8305a90311f21da9487511c4a72367ca2f6f6b690c5ddfb81981877bd2bc3a2b19c0b5c27fafbabcb8cc990ce2db277f45f7e6d4d673fa7015d43497db10211b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}