{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0c57683413ad8dd0d21b1651feafc2453efa3010616079f6ad6aff402e875b7a",
    "signature": "0x8377b396eb5c1871e017a91bb7a97bae9c23c0ee430eac0037739f4f8093075c077ab041b27834be50e1d7a71413ecb0e7ac6223f995e7d037ae48b6b721e9cd1c",
    "signer": "0xF614cF46A633796cB1596E5A0dFbb50A7C1Cca44",
    "userId": "632228181"
  }
}