{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61194",
    "entityType": "User",
    "nonce": "0x0e16af2151112aabbaeaa08281aa798abdefd1a7444089302bffe7e42d29400a",
    "signature": "0x552056a970f5e1bd2b2cef9af59b8af6cd6c61698e41e88aa715320871138e644f2c87c37b91751c739cd05e0f65b6b69eb675a0acbd831235c794da8722e04b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}