{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108724",
    "entityType": "User",
    "nonce": "0x3428b6d30452dd10a3736cd0eea8090ccae175e5d4e648a5ae06596b91867e23",
    "signature": "0xfa090a38f8b1f27d0c69d37185e21fddd4c68a4b9c9a8d4b59028d792dabf4584f4bf9f7bacffdc52ca65d9df2e0551cc5b66270dcad1baa35f3cde8139bc7cd1c",
    "signer": "0xDc9E6086716d1ed5Ccbb7144C00E93f86Cc9Fb26",
    "userId": "436039881"
  }
}