{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185207",
    "entityType": "User",
    "nonce": "0xa53aa32506bc0ab3415d54f655d92ea927abe8e865fca5e5d2a2ade9e2d74854",
    "signature": "0xa41912eae39e81929f021702e15f9dba46fbd3db2554c940d927e9a69bffb9e73c6758b6564cc123ff2e420e4afdb6eea7444a03603c6ddc4207a2857eca4d271c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}