{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xf1efac70218ed2de8de289466553d0d14c22ea3114e8ea5e95992a57bde7c165",
    "signature": "0x027ad5604b9cbd9e4b54a64a0cb8ba37480803f381d11fa222ce5583077925d0332dc61106455ec4d5605dbd4b7cdf4e70bd7fa1bf36fcaf86ef5d8e5eef71db1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}