{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15149",
    "entityType": "User",
    "nonce": "0x60607a99b8b7164b853f1c0cf50b0e0dae505833284d674a53be323e85fa22a3",
    "signature": "0x605b11c30f3bc71000b103572eca1b3a78448b121984c0b7c7ca41aa81f55d18116f9116902345da886c8f9bc51a466632af88ee27092e8c122e6ca7230896721b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}