{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xf7f9b37094bbe6b9c3ff55d082d0a3747604874c095daecffe557677b71d7076",
    "signature": "0x982c7cbc9202a6e6b5373f6a44dc5a98d5c311f153269c2f6d30561ff552c8f3348e65519869bbf454caa20f66b76ff9a8e0bd1cdacc5ec856c3babc10b043131c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}