{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98311147",
    "entityType": "User",
    "nonce": "0xf6fcba3651ec6df2060754aa9fcaffa9d390a115cb32f293a3733445b9fd23be",
    "signature": "0x9156564f5b0d26043ef749f6b434ef18eab6acde9343fc2b78ae19198593711c622403feb29f0ec94571f0504c31e9af1684e268b51e9e12c6ea538a9e2bfcff1c",
    "signer": "0x4F8e40E75E675f5be20520c4cEA0CbD7bBb999B1",
    "userId": "991796067"
  }
}