{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200675",
    "entityType": "User",
    "nonce": "0x0a92273eeeb57ea40c67355e5751fe5579801162c2383c26e5c222b06a81e667",
    "signature": "0x13a5c682e3dabf8eaa6e66b76f781b2cdacc745bd10ed3c63460e3cd54fa27c1233cf0e6cf187efa612382a34194fbdf981c121042314c4cf2e5d4696cf40aef1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}