{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167341",
    "entityType": "User",
    "nonce": "0x027ddf16153efacfab05176d151a923ff792fe700031e599c5bab29a9fc7c18f",
    "signature": "0x388735e733796a7d29458d29ac69ae59ac0eec608094472238809ee757c068df412bd0b2d251a561bd895f91a2b74b9b46f4836c56d45da340381883989495041b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}