{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178070",
    "entityType": "User",
    "nonce": "0xd54096c2d19ea49da72ac8d0383115031053face7c3fbbd3e452f3612694540a",
    "signature": "0xce15f3b9e9c6392d9d4f8710596bea6aa36274ae434e14b71a5644370ae072ca125588dd026e2158e97f77b6209cba0566228caa2eb1ad54e0a54252aa6e1e011b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}