{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x193fec0af9f0ff8e4297116ccfa334087e364afb8e0345e1c948fe6ce0d7bbf2",
    "signature": "0xcc19b8cb869fedc0f72dc98cd6a409e8d5998bb4086450a496c0d5136f1a26b20e23df90f512bce3aa150a805ee71c17c3b59db9a169d8794c98db430cc7fd8d1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}