{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34537",
    "entityType": "User",
    "nonce": "0x2f0ac266188b4aeb25c2f418f361dc50cd550d721434697ff2a28bf7baf7ef4b",
    "signature": "0x0acc4aaba8814b382f476196840552279a3e853fd4aeb720cb0d1e6f3fe6a4d2286bd8f85790264bbba69e049605a4542dbe9fd63763c9a720b5ed368e68c4241b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}