{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x4bbde63ce152c03d5505b4d91703362eccd1897c80dcff0d8631fd05b123f469",
    "signature": "0x45db8c5571518bbf3e43c2419df9e3830f904ac58c0fc197d96f38251091942b2315f7d927f5ec5e7b673cdb792dcc316bb54df5729bc47c3612401ee708f6e81c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}