{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319129",
    "entityType": "User",
    "nonce": "0x10c4ccd5cca413153e9035ada5313bed4db523ee35f6054cf4a528cc0e72cd6a",
    "signature": "0x123dde3ca3fece42dc123207d043c92c0c052aa0094052ca96edf457ccf9e6502caa713a04e1cf59fa86636374321e19e951df55a04e6356c956e721dfd014221c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}