{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363123970",
    "entityType": "User",
    "nonce": "0xaf0ab6cd428f23ff5c2d0567f2a7dc92e7d158cec37c997a61c11249afaee2a8",
    "signature": "0x3ab967ea2ac23abdcb8cda9ad3188c49913028ce05b939d839fefc198c5342f1084958a7e16dcda62ab4d4529ce02b9c39f3e35f74afd13fe0a5c3355ff0db751c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}