{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227147",
    "entityType": "User",
    "nonce": "0x75367d77e4ad3c81f79b1914808e7cb6f6bcbbfe690a6958c5fa0a583ac8cb4f",
    "signature": "0x7da8d01b85bfd3a455d8b6e5b9c2155a015742a903adbe6223cd9fae9aee20f11e0409ad07f65c04316436c8ffc75f323deac13426ee96e92242483f9a6306591b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}