{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x623a781f531df0bd082ecdfa3059f11fc07658bfe4e1bd8a1c4ae814c2f1d7d1",
    "signature": "0xdb65316f0e301a03b5ffb2d32c830bd524234601de7e7c7da94dbecf3772a07f7a2cb433c385c0ee18041eca18f2465c673c04766c174d279276800ac90f0d491b",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}