{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458118601",
    "entityType": "User",
    "nonce": "0x88fc77aafcc60db34704787615e3927536eb29c02ecfba28ef104802813bc1ee",
    "signature": "0x2704033cd370f083263b3d60b82a49aacf74a34e46126af22ad1db0f1006e6576c2b0ba80660fa871b0917e554fe242f85ac38f8238ffae074ff8871ac3a1f161c",
    "signer": "0x1E05b344e405fBE00fbB8344b72Ae1F9458B802A",
    "userId": "353199189"
  }
}