{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12634",
    "entityType": "User",
    "nonce": "0x8cc0016c1645fc5a3942acf871726810f1771900284717754d34a1f4398e3457",
    "signature": "0xf55a481a7676d1e4e1d9aead3605aa845abcc1ff45f9d60b3a92d222f94b329a2e45b4e7ad9721160d8ce7537a6cbc8db07e1b642a2257f02936c4787f2973f91c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}