{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0xa877bbebf5ac65da3c3d5209bf07c2e39fd0fdc08c550a6a832cd2c06debbbc5",
    "signature": "0xb20c8dfc6369b24492977a44c8049743d451c8942316e7f9b37693d546ea469479e11b386687acc54592aabcab7d2a2f9d0e892f3407f1b3da305abd776426ad1c",
    "signer": "0xc7c27db18a3763967110405512b2122aCF189837",
    "userId": "195061966"
  }
}