{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804422713",
    "entityType": "User",
    "nonce": "0xac4fd9893f9e59dd24dba3cf632c3c38939559221776cf4651d3fc19a51b7b34",
    "signature": "0xaa0a5e760589cf396ca04498e7c3bed9deadb759b7cb12071e39c575efd326e420dd0f5447b83647b01d360a3a84de2fa15a5bbff75e421262733bdd1afcb83f1b",
    "signer": "0x67E321241D4e44e5aB5D1c365505f0F33044C7BE",
    "userId": "460631539"
  }
}