{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x28cfa92289b9ca84d47bea95f0fc240ff550ffcdbdaf67e7e637d46485e187c8",
    "signature": "0xcda9c6e226dac7e082b65b0aeb3859d8a070e2ca97068f6d9fcb34f2be26c3cd7526a10b72a6f34eef3972e3eb020b1de18f593e908dee8c9ce4be52daff63081c",
    "signer": "0xb96A043C17834B8F85ffC7dA5AD7ad77457a0540",
    "userId": "33390898"
  }
}