{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56634",
    "entityType": "User",
    "nonce": "0xced3a15c287b10854d8fc04a7493823fd2d4d4680af1c09440be6889782d1ef1",
    "signature": "0x2dac2b8153a0553481dfee597d5d0ba7142b8aa43eb394cf8f6cb82bac58c46540d77e533440dc42e5e0c70f71d0238d1f587499de2676f31308fe96af336e541b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}