{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53199",
    "entityType": "User",
    "nonce": "0x0f0ee65c089c4659f6d03ab1650cc605ad4c8985baff7cc12a60b92bec94dc12",
    "signature": "0x739e30a045a459a3c21134725aedd644920687d95e476ab6c2a31c36c849b324159222c3b1227857db629ff09b89f0129c6c63c44235ccf8a6e4644a99ca38d11b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}