{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7a33db610e199675701dd02f7f2c3ea97fcaee3dac6dd31b6e006d223a2c1ef8",
    "signature": "0x26dde6a1185551a4a8bce97a9c75d58909a6f3e450df9cf088269bb04f71fa782eefc85f76df4a034a9753744deca27a738382cd813b55157fa9fcab7980765c1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}