{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "371113",
    "entityType": "User",
    "nonce": "0x6aeba3bbd7535cf82b682eeea77198aeb1774b951e9a9ef44a98bbe735ec1c00",
    "signature": "0xac4a65a655e2aad0a7695b122927b36bcce59fbfd355c3f308257225b8b6f48b1a93b4df9cd9b122cd2260c8df5d8e63870a8c2952195291f2fb5db4d51103081b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}