{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0x15ec53eea86ea1eefcfe9868fbebcb7d5bfb976b9ce3fc8a10f5e7a327722216",
    "signature": "0xdb9da9f9e07f6006c79ad72e3d5b9f136a0e1bef06cf242d8ab2f7739ff41ef07b3308f217065d37cafb927e33fbe97a8950e8e5378d1cb0ce7156d5a9707d651b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}