{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328108",
    "entityType": "User",
    "nonce": "0x312955a01093a61ebeb7aa16dfb2d0cc5d3137dbc6e47821bece48f96e79dbea",
    "signature": "0x3396143340dcca0dec75ebd757a11587c029d64f8ad9ae48b8132c9f15c220f63a641ccb5a18120234be080951e03ace22c5462adfa193f84e8a6f6782e2ea8f1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}