{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "773701833",
    "entityType": "User",
    "nonce": "0x335296a3b022edb2d9d69cf8717e05eba7afb6564151b0fa2e87da43b0d11a55",
    "signature": "0xf00f8895fcc516439dc7ce9dc0c4e77e3c2dc67858ca7cad3d5941b843c0fa962e8d783aae7d2a4563c30025543696a86a34026b9b1ac54eb9be4639bba8517f1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}