{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x801399f2c6cab9e3507ddc3e0c889b84bfd7d947fc623c0ce3fc06ad937b2b50",
    "signature": "0x430c4cbb71a431343654205580a886d666a70670d20a652b9017ef6be0f8ce59347aec7011444966e83d4b0dd7cb45a0aa4b73f01c1c62c99df4737ce0f2127f1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}