{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166428182",
    "entityType": "User",
    "nonce": "0x330ef95246cdb7bcaa5b600d2ec40e8776c1a6c686c584e83a3f22ca38309bfb",
    "signature": "0x3ac009acbe4ad3c30243d2f558fdb9e268c196682256884d4d96ce3e5b320e433f4cd728869c0476610e8775006eb2b93b2567702db3e73118b0d00a3b77351e1b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}