{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124266",
    "entityType": "User",
    "nonce": "0xab7b6b6fcc31c9ee68ab53d4c93f1b182451f9709e2bc6b4093ec9aa038915f4",
    "signature": "0x7e54e25925180988353428ec5eba0a5f49e7ec9b4ff0cfe54bfb8396273ad7962239280b4a21583e721761a24037d1e8f432b5fa74572d86a3fdfc75413e831a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}