{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "774076",
    "entityType": "User",
    "nonce": "0xdb492937dbe8b4e7af5c7ceb78687c4992426557c3a1676440e917d2048f4b79",
    "signature": "0x25df14da32f7520689c5833d4b681bbb24dbb4c1585e7bcd17b0d7b6fac65b0d159d064057b179add8e9303477338114d3665f22dec44f21bd9e5e760aa077c81b",
    "signer": "0x5abad058d33E1C0C0A69d85BA3181678C1721765",
    "userId": "632918751"
  }
}