{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33896318",
    "entityType": "User",
    "nonce": "0x10f1cc02bd4aca0db308b1a2f62595a435f6e5b47afb0906193a84a0da23dad8",
    "signature": "0x0054881b0492efccbed0f2683ca3be99bfc47610282053374ca13c4b08eb3cfd1f8ebb3c6230d39a69e994f3b0db3f59494cb636e17f977b5ea8ec5fd91bcf281b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}