{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3416",
    "entityType": "User",
    "nonce": "0xe0844b43328ad0d44878e7290d2eed2a7bafe490f37d463ca9c19c38f69c853b",
    "signature": "0xcd9522d7b21b9df795743b43c68a8b1aa9accb00c46e27ec8cdae39b4b17e8ef6b73c42fa70dfa74db31e184861a099777b0bcf93cf6379cde69df3d93a81f3f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}