{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571586821",
    "entityType": "User",
    "nonce": "0x5cde368d5993cdba6facf40c0c12567acb04390abd134b842309587079cd642f",
    "signature": "0x1e9d5c1f6fb7860d250fb2c1e677b69f7b0790ce439d6384c06b9a7d5480f3f93ef4b65efc9e3a684eb7b009492c06a63bdcad2c46dfb549a4431aea7123709f1b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}