{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994013869",
    "entityType": "User",
    "nonce": "0x5240dae31ece3c915d35b88c31574ac4dc24cfbfae7375d061c3cba5b53a1c19",
    "signature": "0xe18c3dfa14fd8cab359a3b57cc7835726515c079ab93a3bd4953cb36351824a912bd78f336790426295f013c9972a192fb191a8f39b882c763b40837924065bf1c",
    "signer": "0x019c1Ea6f901A4f7AeAa1daD2842a34Fdf9A9FB2",
    "userId": "798348033"
  }
}