{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106975",
    "entityType": "User",
    "nonce": "0xcbeb1075e12da7b682c93440d1ac457be054ba0c83bcf1171c835253d4d34bda",
    "signature": "0x1760a6d637f0de86031d5a0c679a2d2ce294ae39f99d3cfc17f68b7bb9afd3856916fe2d209fbf1bbc88e4a2f5857ca50bc127bd09bf684aba8a22853c4db20c1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}