{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "123170",
    "entityType": "User",
    "nonce": "0x78d29124a34295ef446321276b64965376106fdfec190f251e17108f0bcde10b",
    "signature": "0x0d6a8446ddb5892d67ca14925043ee7190fa093edbbb5d682dfc63ccc6eac3ee5c86ca261ccda81cc70d3c65e092afce7afe5033f5ea7797de528987d6cd4bb81b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}