{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x376f03e3891866c17abb6141efc552dbbae120d28f472b5528dd05aa9ac42a9a",
    "signature": "0xf4df75f31bedfaaabebe46998024c84d68bbd88f694dbcda4f278a3e75e1d41c3564713048fbb22e20b2e030b3e0a8d92cfd1a598501164f45e60ace83feba7d1b",
    "signer": "0xf4e39f23021D832A7D8e37A3e280Bb0E5bC75bFC",
    "userId": "406892069"
  }
}