{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x93c0bdecdf2a06295436f078fd4da3d01aaa7377b19ef050359c91b6678ee1f2",
    "signature": "0x380e612f9d4d2fe597865dc87782094ebe955005b1da99828e64d0c12edee7cb556d407f0644fda251ece0ba58afd2f8736bbc68c2f3cd1db014fb9b5f0f9e6d1c",
    "signer": "0x8f7609696F22A45a941d7B35bcB4287FDeb59DD4",
    "userId": "351286634"
  }
}