{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370180",
    "entityType": "User",
    "nonce": "0xa477e8a9a24dcb05fcbe15e080fb844cadcddcf2013b99b9e04f308627116956",
    "signature": "0x4c3afb35ca679ff95325842f63bb16468154f709533a38b0a5ef4ec95d7cf6010b7c01c0d489dfea72f02e33e2fab98dd85fc02c889c8a739b4cb75111eac8ed1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}