{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146164104",
    "entityType": "User",
    "nonce": "0x303d62cacc796e11b5350696e5c9787d8495aff3ae8111e997bb58151a7100b0",
    "signature": "0xbec103b91358bea26fa3ee7c67e3848cf121d61e2d00e5dbd58a7627db43007c4e3db895169e04e837199a49697931b64219a364635eb67777a703c49d77e3bd1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}