{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933842159",
    "entityType": "User",
    "nonce": "0xebfa5dbb0c36c4f4390c6fe677188989693b691fdf62a105b7dae8b0c81d6063",
    "signature": "0xa8542389f392df794ea327d6c9ba3f6b34f5ebed45127c7a766185dca58bb9d156f4d908de26dfb9bdddee5076ffca7481ce8652c86ce1fd43a556f888a539e61b",
    "signer": "0x3E5E1eDC4E157E0bEbf0EecC8Ec612c26032Bb81",
    "userId": "571586821"
  }
}