{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "24454",
    "entityType": "User",
    "nonce": "0x8df609465a96407f57c5a5343e0762328c2c309b884de2958edc1bdb652fa075",
    "signature": "0x01626b2371ce2af1337e8c0c4819f964a6262425b8dff8b8eeb0832eccad146d5221ded0607fd5d82cd5781865b658dd475cf75b0d09fdfd8d52b14254bdbcaf1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}