{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0xfb474d7d501e12f2da822f31e437c534c9c0ee133bc9e327c232225f4aa31504",
    "signature": "0xcf9f171ec3b9a87933164540ca2e024c47fe1d981517d00f8b83658b5bbac4730295964dc4584e9c3ad5d694d259af4c7fb02967e7dd5c2c7ddf042366fc56cf1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}