{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91644",
    "entityType": "User",
    "nonce": "0x18c4d75f2394be4078847fb72cc5da67823f5989b05b84f2de59dfe37e058275",
    "signature": "0x2e6cbc9601124832b10a491b204c0db648d71d99054067377127c51a61d23a166f7533c8ca218f7e93fba3db33bc298b6c62b2b5b1cabe93d2c16c1e65c5137a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}