{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x76a2641494548a880243e6b540d2043a31d8ccd5ea7d1490f0abd9f1ff3d6ba1",
    "signature": "0x3fb5372095e249f9cc5eab97b5e8a0f607c385c9d1f0465b983a959aa46ab8810330016b7e4bf1eb0955bd47a8f2e3180506efbf2e9d166c4b2985de0959eabe1c",
    "signer": "0x3765700151BA1793CFdF9F4ef4c8fECA3Ea076DA",
    "userId": "957835565"
  }
}