{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0ca82b356128d5a0d51ca87156554e447db674b3b4ce9580913328d556e7ccf4",
    "signature": "0x2a8bfeb74bd374480731c8e885d11c3ac1989123675722fcf560def1a48681d51b1e131dbe6ea742b845652a0d2062baec664e693dcb16af851fc1d9f562671d1c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}