{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175162",
    "entityType": "User",
    "nonce": "0xd4fb784b913914e653168980dc47660eba7a449119c2a19c0700ed7250df03fd",
    "signature": "0xf849bbb10e55a695db916db3eb1d0ddf7cc6dbbbb50b3d44417eef27c803802a042eae44a8a3a7f6e7a4b042d31794ea15e0eb148a31d4fe0afbda66a4ab11d71b",
    "signer": "0x833c8592D0cc72Fd7c3772b3f8ca8044A4780a77",
    "userId": "393889489"
  }
}