{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65209",
    "entityType": "User",
    "nonce": "0x28c26ff4f9679f815be12ccdebb6a828dd415da3596cba249c04e53e3c5bd45c",
    "signature": "0xf0535f5b768a73c4fac85e6bb81b3f56c63752df664dae23c17c3eb00caf83333ef8213ab781faa50af2fadd1fef91b80f552db73b45e2259969a3c8548493d91b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}