{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277191641",
    "entityType": "User",
    "nonce": "0xa56726944637a4662d07233faa4423b5e1156b4a5db8e33efcd72dfad7828b08",
    "signature": "0x78121d9402c6ce0db74c3f6a71ba677c5619433f96b816fe76c5665bd3e2c26a33c2ef3301792b3d61233dff0db3481b1d2b2aa4841366a6932937683f0d0fd91c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}