{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49501",
    "entityType": "User",
    "nonce": "0x6cfa57aad6c0e1295b41b975c8427b5f6895917326dad5fea98b33805a10895d",
    "signature": "0x9af3fe4ead3768202c66a64799edf029e566be0ddcc937c63c79a1cc377dfb2854ed3502a5ae57c2e4b95c2b1bb55a7fa02b0fb12450873d6470a6b12c18e8991b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}