{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808512351",
    "entityType": "User",
    "nonce": "0x56f9abdef7f4860548cc344451c75d7e1c1de96f8b13f03702dc059979c94d71",
    "signature": "0x8561b24c6bc7ba158dc409cda9f8c651a7f2b613d68b037abe12d578e93f31672f6a2594739e82aae6e3ecf59ffe1114d87a05af4a721c62cd6e55a03b2408f51c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}