{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x383ec10a46990b2d74498d0719e2ffa117fa6d4dd2310d48e7fd1394383c8c2c",
    "signature": "0xe35f772ef9790d2970c9ce0b7087a5b6f225d6bd8c044e73ff7b2a291e50d69a5f15af3f8ada60040f370aaee82a75cd28fe547a78390ee04485a76b9777761b1c",
    "signer": "0xc381438f5Dfd2C197eCc12cec71d4484646573E2",
    "userId": "98972725"
  }
}