{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "773701833",
    "entityType": "User",
    "nonce": "0x7e58c9a3d68a50803221092ff11e2db71403f7fd01e347300537ea6e0741f6e5",
    "signature": "0x1f29e0962c7618b1f63ad31764cd8a5ea029d25a61eb7ba836d49d270a05fe69472cae0bd1bd1d4a7ddd96f485a15ae115d7cc2f338be817e00bddf66caf2a681b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}