{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141173004",
    "entityType": "User",
    "nonce": "0x736063520a0d1a0ed7171a4f0c4830d01b804b0cfc560a79b03cf52e1b058787",
    "signature": "0x37dcc3bb593668458cd6e4795e3426024e69d2720cf3ad5ed8d9561d97172eca4e100efc4cfa757fc386292d60777c63cab2e759d858392c99b383a5afce235e1b",
    "signer": "0xb15e0969937058c681E67343137f40F72F50d99F",
    "userId": "790717795"
  }
}