{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0xde022959e6516ef1631e504d5e9fcd3fbc063337f4fca96f810a5ad19c15e4b1",
    "signature": "0x65efa12e0219ae344d5c62bccbb4a59a169d596285c14e08827bf1fd5698ed57391edee9e629f3c69832de0331c1483763c948054d04dfe904816d915572f5251c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}