{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "231092",
    "entityType": "User",
    "nonce": "0x5172a508ce5cfb817987d5fc3e7875289b2a80b4e93de1c490e9bc957fe4d400",
    "signature": "0x026ca83d2c98d21af1e91ee92c9ab0e958a4deb51d37ad6dd1b10fef2d08bbb52d5c3e3a718715331b861cb7292dd266a12b49560921bc9edc6e30b1fe37f9721c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}