{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xf9f7518d4e5c931aaea0186617fbf053a1c63219d77f2663d3db97d5792732ab",
    "signature": "0xa334d7837315ed9bbb52a5ab5c87452f0037bc3fab383007fca9c9fa817d4e1f0f39391b8f732ffd65e6e8953791b8ba782ca996152e0af5e3d48b90a0d3e8e81b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}