{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "496394700",
    "entityType": "User",
    "nonce": "0x14d236147b337dcbccbe5e5b807724a327efbdbf87d940b0e6d2b85916863769",
    "signature": "0xcfb1d175b30a8ddcbaafd4deb15d4930421fd224e13f52af2342c00c11b0e98023c57e6b5bd1501bb6917943bd51bca43e6a1a71c9b1948d60b07e4400169abe1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}