{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfe7aa86429f9b27291315160e4c6183ceb7baa06c294e6a6c63c1040aebe9a8b",
    "signature": "0x183c0d25fed590f8534a863194e2e482cb0200e3d0e9849eaab21ac257f1290a13e832d85f332918c63cf2aa27431cd41707f79905177de016f0732290f124561b",
    "signer": "0x87D679395c735FF953e24C0d47a60c6115d7cbDc",
    "userId": "381282959"
  }
}