{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782622982",
    "entityType": "User",
    "nonce": "0xd0a3a0564ae88c0f7faccae285a58c08403510da6a219a1cce6edfd427f19707",
    "signature": "0x43900c695b9b2416661be0428d4074c6b2b95381d5783c4c28456af68d6ffe81053643dae62ea3df85e482bc70af6ff658214d61462bf4e0cb3e328f8ba3a4021b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}