{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x138e754a65fc29544399dcf00ad0e608d50adaaa842e6493cf5b2db9a7f9a3f4",
    "signature": "0xe3b886d9c850c6689be6059f0674d88a5ff3f4370a1955b8ff0c8dc2e504c45d05fcdad36df6414faa8ff9817878355da898ef86f6bf45fbf323de253432e3ab1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}