{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "837802675",
    "entityType": "User",
    "nonce": "0xe6879311f680ef4be4bdf1b740b999ee0e3dc95bfc23b00bac401fd9606fa800",
    "signature": "0xe6e0f19cb8b4db1086c713a3f71e1478fe95a9a6e37f819c7eb0f1a18b6919897374155aa1b8e59433fb73780b71f19cc7e87b48fae3db4972d43a28dc99ea9b1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}