{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49977",
    "entityType": "User",
    "nonce": "0x8467f9dd399b548558bcae2dab6f54ec5b9d9d6e1730f2ef49e40d4b1e48c03e",
    "signature": "0xc53e69d39304ad3d343e0267b32f4e63b3d68d57e02f46fa8513ac3406a8363b4efd8c1837ede89326d000d00c914f2304cd72b4e54c586409ef5aaa7edfa88b1c",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}