{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928381185",
    "entityType": "User",
    "nonce": "0xabf43c3a532db1a2cfb717ceb4bb1f3b160dbbd88e4172f5e5216368d1e82c6a",
    "signature": "0xcf22f8c21fb9ad76dc4c08512f973ce76602cd9716745d49679169bca62fde180459b94213688734a7db0d6bb24f8d34ba000136a1b0bd9661a56fd11693ae711b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}