{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39375",
    "entityType": "User",
    "nonce": "0x0cc82800566293481c17fae7fb3ac30c21fa988543c2e25ed6939b9e95a1ec81",
    "signature": "0x225b52c706b0c0304bbe3760b3518b38a7043dfec7021745a0f8f9dff65e66046b61f184de3e4f6639955950487147d0af28151ecd67bc30c03d8d5d0d90d1df1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}