{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "801898123",
    "entityType": "User",
    "nonce": "0x6341b93dc3b584d0c7c75fa75bcb2a1f3aead064798696b95ff49ca0d0678a6a",
    "signature": "0x8fef00e80408965dfb886edd25a91b3c293eae18ed6db87394f773ee1e207a8e097963924c34c869ff9afb02b0d77dd5db7f5c31275ab8fc27e720de9d1666411c",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}